Record Atlas
Flags of the Carpathians and the Danube

Family research · Phase 5 of the world atlas

Flags of the Carpathians and the Danube

From a Dacian kingdom that once alarmed Rome and then spent nearly two centuries as a Roman province, through two separate medieval principalities paying tribute to the Ottoman Sultan, a fifteen-year personal union that quietly became one country, a kingdom that tripled in size overnight in 1918, a five-year wartime whiplash between fascist dictatorship and Soviet occupation, and forty-two years of one-party rule — twelve political entities, and a blue-yellow-red tricolor whose three colors are literally the two principalities' own old colors laid side by side.

Wallachia's traditional color was yellow, under a black eagle; Moldavia's was a blood-red field under a black aurochs' head. When the two united in 1859, their flags fused into a single vertical tricolor — the same blue, yellow, and red that (with the state emblem removed) is still Romania's flag today.

Scope of this page: the lands of present-day Romania, c. 82 BCE–present, twelve political entities, opening with the ancient Dacian kingdom and Roman province before the two parallel medieval tracks that converge in 1859. Part of a larger atlas — see the map and linked pages at the bottom.

Two principalities and a borrowed province: c. 82 BCE–1918

Modern Romania's own real border, split into the three lands that took nearly four centuries to become one country: Wallachia in the south, Moldavia in the east, and Transylvania — inside the Carpathian arc, ruled from Budapest and Vienna for the whole of this window — joining only in 1918. Press play, or drag the slider.

Wallachia and Moldavia united in 1859 without a single shot fired; Transylvania waited another fifty-nine years and a world war. Alexandru Ioan Cuza was elected ruler of both principalities within nineteen days of each other in January 1859 — a legal loophole in the same double election nobody had explicitly forbidden. Transylvania, ruled from outside the whole time, only joined by a vote of its own assembly at Alba Iulia in December 1918. The lines below solidify only where the pieces were genuinely ruled apart, and they dissolve for good, one at a time, exactly when each union became real.
c. 82 BCE
HUNGARY SERBIA BULGARIA MOLDOVA UKRAINE TRANSYLVANIA MOLDAVIA WALLACHIA
Dacian Kingdom & Roman Dacia

Schematic internal partition on a real traced border (present-day Romania's own frontier) — the three dividing lines are approximate, not surveyed frontiers, and the borders shown are modern Romania's, projected backward.

How we know this. 12 of 12 eras on this page carry an evidence panel (6 attested, 2 placeholder image, 4 not yet checked). Only the ones marked attested are confirmed by the sources named under them; where sources disagree or a claim could not be confirmed, the panel says so.
blue–yellow–red, plain civil tricolor
1989 – present

Romania (post-Communist republic)

Sovereign stateIon IliescuSecular (Orthodox pre-eminence)
Migration & conquest:Emigration: to Western Europe after 2007 EU accession

Who & why: a popular uprising beginning in Timișoara on 16 December 1989 topples Nicolae Ceaușescu within days; he and his wife Elena are tried and executed on Christmas Day. A new constitution is adopted by referendum in December 1991, and Romania joins NATO in 2004 and the EU in 2007.

What it represents: the Communist state's coat of arms is cut out of the tricolor's center within hours of the revolution starting — protesters carried flags with a literal hole in them — leaving the plain blue-yellow-red field, legally readopted on 27 December 1989 and unchanged since.

Attestedhow we know this

Wikipedia says protesters in Timișoara on 20 December 1989 waved flags with the Communist arms cut out, and that on 27 December 1989 the National Salvation Front restored the simple tricolour of 1867. FOTW (Heimer) gives 27 December 1989 for the re-establishment of the plain tricolour without naming the instrument, says the flag with a hole became a symbol of the revolution, and gives Article 12 of the Constitution (21 November 1991) and Flag Law 75/1994.

Not established: The instrument of 27 December 1989 is not named by either source.

Paint guide
Proportions2:3, three equal vertical bands.
LayoutBlue at hoist, yellow center, red at fly.
Blue#1E3D6B
Yellow#D9A63C
Red#A4302A
the same tricolor, a Soviet-style state emblem added at center
1947 – 1989

People's / Socialist Republic of Romania

Communist stateGheorghe Gheorghiu-DejState atheism
Migration & conquest:Emigration: ethnic Germans & Jews, sold for hard currency (1970s–89)

Who & why: with the Red Army in occupation and King Michael I forced to abdicate on 30 December 1947, the Communist Party proclaims the People's Republic the same day, completing a takeover begun with the rigged November 1946 election. The state is renamed the Socialist Republic of Romania under a new constitution in 1965, the year Nicolae Ceaușescu becomes party leader; his increasingly erratic, nationalist one-man rule dominates the following quarter-century until the 1989 revolution.

What it represents: the tricolor is kept, but a state emblem is added at center after the communist takeover in 1948 (Wikipedia: a rising sun, tractor, oil drill and wheat), a red star is added in 1952 and the emblem changes again in 1965 when the state becomes a Socialist Republic — and the country's name changes without the flag's three colors ever being questioned.

Attestedhow we know this

FOTW (Neumann) says that after the communist takeover in 1948 the tricolour was charged with a new coat of arms of Soviet inspiration. Wikipedia says Romania became a people's republic on 30 December 1947 and royal symbols were outlawed (citation needed), that a 1948 emblem showed a rising sun, tractor, oil drill and wheat, that a red star was added in 1952 and that the arms changed in 1965 (all citation needed).

Not established: FOTW does not cover 1965. This page used to say the coat of arms formally replaced the royal one in 1965; neither source says so.

Paint guide
Proportions2:3, three equal vertical bands.
LayoutBlue-yellow-red; Communist state emblem centered (simplified here as a star).
Blue#1E3D6B
Yellow#D9A63C
Red#A4302A
the royal tricolor, flown by a king with almost no power left
1944 – 1947

Kingdom of Romania (Soviet occupation)

Occupied / transitionalKing Michael IRomanian Orthodox (state-favored)
Migration & conquest:Emigration: ethnic Germans deported to Soviet labor camps (1945)
Ruling house:House of Hohenzollern-Sigmaringen

Who & why: on 23 August 1944, 23-year-old King Michael I personally leads a coup that arrests Ion Antonescu and switches Romania to the Allied side overnight — a move that shortens the war but does not spare the country a Soviet occupation. A Soviet-installed government under Petru Groza takes power in March 1945; the rigged election of November 1946 eliminates any real opposition, and Michael is forced to abdicate at gunpoint on 30 December 1947.

What it represents: the royal tricolor continues in this span, with the monarchy formally intact until its end. The sources read do not cover the 1944-47 flag; Wikipedia says only that on 30 December 1947 the royal coat of arms and tricolors showing it were outlawed. The claims about where power lay are not flag evidence.

Not yet checked against sourceshow we know this

Wikipedia (Flag of Romania): on 30 December 1947 Romania was proclaimed a people's republic and the royal coat of arms and tricolors showing it were outlawed. Wikipedia (Kingdom of Romania): the infobox shows the Flag of Romania for 1881-1947 and the text covers King Michael's 1944 coup without mentioning a flag. FOTW (ro-wr22): an army flag from 1940 carries King Michael's monogram in the corners; the tricolour with arms as a 1936-47 war flag is called doubtful by its author, who has seen no law or photograph of it. FOTW (ro-1922): royal standards of 1922-47 were used until the monarchy ended.

Not established: No source describes the national flag of 1944-47 as such; the continuity of the plain tricolour rests on Wikipedia's infobox image only. Wikipedia Kingdom text read to 100,000 of 183,749 characters.

Paint guide
Proportions2:3, three equal vertical bands.
LayoutBlue-yellow-red; royal coat of arms centered (simplified here).
Blue#1E3D6B
Yellow#D9A63C
Red#A4302A
the national tricolor, unchanged even as a dictator and then a wartime Axis ally governs beneath it
1940 – 1944

Kingdom of Romania (National Legionary State / Antonescu dictatorship)

Fascist / Axis-alignedIon AntonescuRomanian Orthodox (state-favored)
Migration & conquest:Immigration: Romanians resettled from Southern Dobruja (1940)Emigration: Bulgarians resettled to Bulgaria (Craiova exchange)
Ruling house:House of Hohenzollern-Sigmaringen

Who & why: the August 1940 Second Vienna Award strips Northern Transylvania away to Hungary; King Carol II abdicates in September under the pressure, and General Ion Antonescu proclaims the National Legionary State in partnership with the fascist Iron Guard. A Guard-led rebellion and pogrom in January 1941 is crushed by Antonescu's own army, and he rules alone as "Conducător" from then on, joining the Axis invasion of the Soviet Union in June 1941 before being arrested in the King's own coup in August 1944.

What it represents: the royal tricolor is drawn throughout 1940-44. The sources read do not cover this period: neither Wikipedia nor Flags of the World mentions Antonescu or the Iron Guard, so the statement that the Guard's emblem never replaced the state flag is not confirmed by them.

Not yet checked against sourceshow we know this

Wikipedia (Kingdom of Romania): Antonescu was declared Conducator on 6 September 1940 and the state was renamed 'Legionary Romania'; the infobox still shows the Flag of Romania and the text describes no flag change. FOTW (ro-1922): the only 1940 flag item is Marshal Antonescu's personal standard, a blue-yellow-red tricolour with the lesser arms' eagle, said (Alex Danes, 2008) to have been used in Berlin on 23 November 1940; it is not a national flag change. FOTW (ro-wr22): army flags made under Michael I (crowned 1940) carry his monogram.

Not established: No source states the national flag used in 1940-44 or that the Iron Guard emblem never replaced it; the tricolour's continuity rests on Wikipedia's infobox image. Wikipedia Kingdom text read to 100,000 of 183,749 characters.

Paint guide
Proportions2:3, three equal vertical bands.
LayoutBlue-yellow-red; royal coat of arms centered (simplified here), unchanged from the interwar kingdom.
Blue#1E3D6B
Yellow#D9A63C
Red#A4302A
the same tricolor, now flown over a kingdom nearly twice its old size
1918 – 1940

Kingdom of Romania (Greater Romania)

KingdomKing Ferdinand IRomanian Orthodox (state-favored)
Migration & conquest:Emigration: Hungarian officials leave Transylvania (after 1918)
Ruling house:House of Hohenzollern-Sigmaringen

Who & why: as Austria-Hungary collapses at the end of World War I, an assembly of Transylvanian Romanians votes union with the Kingdom at Alba Iulia on 1 December 1918, following Bessarabia's own union in March and Bukovina's in November — Romania's territory and population roughly double. The interwar decades bring genuine parliamentary politics but also the rise of the fascist Iron Guard and growing royal authoritarianism under Carol II, ending with the territorial losses and abdication of 1940.

What it represents: the flag itself does not change at the moment of union — the same blue-yellow-red tricolor and royal arms used since 1881 now simply cover a much larger country, its new coat of arms (the lesser arms published in the Official Gazette of 29 July 1921) combining the shields of all the united provinces onto one

Attestedhow we know this

Wikipedia's coat-of-arms article says that after Transylvania joined Romania its arms went in the fourth quarter and Banat's in the third, and that the lesser arms appeared in the Official Gazette no. 92 of 29 July 1921. FOTW says the tricolour was codified in 1872 as a plain tricolour with the arms on military and naval ensigns.

Not established: This page used to date the new arms to 1922; the source gives 1921. Whether the flag was unchanged at the union is not described by either source.

Paint guide
Proportions2:3, three equal vertical bands.
LayoutBlue-yellow-red; enlarged royal coat of arms centered (simplified here), adopted 1922.
Blue#1E3D6B
Yellow#D9A63C
Red#A4302A
the tricolor with the first king's own arms, a young kingdom asserting full independence
1881 – 1918

Kingdom of Romania

KingdomKing Carol IRomanian Orthodox (state-favored)
Migration & conquest:Emigration: Jews fleeing legal discrimination (1880s–1914)
Ruling house:House of Hohenzollern-Sigmaringen

Who & why: full independence from the Ottoman Empire, won on the battlefield in the 1877–78 Russo-Turkish War, is internationally recognized at the Congress of Berlin in 1878; Prince Carol of Hohenzollern-Sigmaringen, ruling as domnitor since 1866, is crowned King Carol I on 10 May 1881. Romania stays neutral for the first two years of World War I before entering on the Allied side in 1916, suffering a near-total occupation before the war's final turn.

What it represents: the blue-yellow-red tricolor. Wikipedia says the vertical order (blue hoist, yellow, red fly) was set on 26 March 1867, after red-yellow-blue horizontal use in 1859-66, and that the coat of arms was placed only on army and princely flags, the civilian flag carrying none; Flags of the World says the flag was codified in 1872 as a plain tricolor, military and naval ensigns carrying the arms. Neither source describes an 1881 change or a crown on a state version.

Attestedhow we know this

Wikipedia (Flag of Romania): the vertical blue-yellow-red tricolour (blue at the hoist) was set on 26 March 1867, the coat of arms placed only on army and princely flags, the civilian flag carrying none. FOTW (ro.html): the flag was codified in 1872 as a plain tricolour, military and naval ensigns carrying the arms. Wikipedia (Kingdom of Romania): the kingdom ran 1881-1947 and the Flag of Romania is its infobox flag; its arms are shown for 1881-1921. FOTW (ro-1922): the 1872 arms were used until 1921.

Not established: The sources date the tricolour differently (Wikipedia 1867, FOTW 1872). Neither describes an 1881 flag change, a crown on a state version or a personal Hohenzollern flag, so the caption's 'first king's own arms' is not confirmed; FOTW says only that military ensigns carried the arms.

Paint guide
Proportions2:3, three equal vertical bands.
LayoutBlue-yellow-red; royal coat of arms with crown centered on state variant (simplified here).
Blue#1E3D6B
Yellow#D9A63C
Red#A4302A
the joint horizontal tricolor of 1859–66 (drawn red-yellow-blue after Wikipedia; Flags of the World has blue on top until 1862), with a simplified arms badge
1859 – 1881

United Principalities of Moldavia and Wallachia

Personal unionAlexandru Ioan CuzaRomanian Orthodox Christianity
Ruling house:House of Hohenzollern-Sigmaringen

Who & why: Colonel Alexandru Ioan Cuza is elected ruler (domnitor) of Moldavia on 5 January 1859 and, through a legal loophole nobody had closed, of Wallachia too on 24 January — the same man ruling both thrones creates a de facto union the Great Powers had not explicitly authorized but chose not to unwind. Cuza's sweeping land reforms provoke the boyars, who force his abdication in 1866; a German prince, Carol of Hohenzollern-Sigmaringen, is invited to take his place the same year.

What it represents: a tricolor in the same three colors becomes the national flag when Cuza is elected prince of both principalities in 1859, but flown horizontally: Wikipedia has red-yellow-blue for 1859–1866, Flags of the World blue on top until 1862 and red on top 1862–1867. The vertical blue-yellow-red that Romania still flies dates from 1866 or 1867 (26 March 1867 in Wikipedia), though the revolutionaries of 1848 had already decreed vertical stripes with blue at the hoist. The two principalities' arms (eagle, aurochs head) were juxtaposed in 1859 and quartered after 1866.

Attestedhow we know this

Wikipedia says the United Principalities used a red-yellow-blue horizontal tricolour in 1859–1866 and that the vertical order, blue at the hoist, yellow, red at the fly, was set on 26 March 1867. FOTW says the tricolour became the national flag in 1859 under Cuza, horizontal with blue on top until 1862 and red on top from 1862 to 1867, and that sources differ on the switch to vertical (Heimer 1866, Neumann 1867).

Not established: The sources disagree on which colour was on top in 1859–62, so the drawing follows Wikipedia. This page used to say a vertical tricolour was adopted in 1861–62, and that it fused Wallachia's blue and yellow with Moldavia's red; neither source says that.

Paint guide
Proportions2:3, three equal horizontal bands in 1859–66 (the vertical blue-yellow-red dates from 1866/67).
LayoutRed-yellow-blue from the top, as Wikipedia gives it (Flags of the World has blue on top until 1862); combined arms on the state variant (simplified here).
Blue#1E3D6B
Yellow#D9A63C
Red#A4302A
Wallachia's own eagle, black on gold — the Phanariote-era princely flag
1600 – 1859

Principality of Wallachia (Ottoman vassal)

Ottoman vassal principalityMichael the Brave (Mihai Viteazul)Romanian Orthodox Christianity
Migration & conquest:Immigration: Greek Phanariote officials (from 1715)
Ruling house:House of BasarabHouse of BrâncoveanuHouse of Ghica

Who & why: Wallachia pays tribute to the Ottoman Sultan while keeping its own princes, courts, and church, autonomy that narrows sharply once the Sultan begins appointing Greek Phanariote princes directly from Constantinople from 1715 on, replacing the native boyar dynasties. The Treaty of Adrianople (1829) restores native princes and opens the principality to Russian-backed reform, setting up the 1859 union.

What it represents: the drawing shows a black eagle with a cross in its beak on gold. Wikipedia describes Michael the Brave's late-16th-century flag as a damask banner, originally yellow-white and faded to white, with a black eagle on a green juniper branch holding a cross; Flags of the World dates a white banner with raven, juniper and double cross to c. 1593-1601, a red silk banner with a bird on a mountain to 1532-35, and a personal flag of Constantine Brancoveanu to 1688-1714. The sources read do not describe a gold field or a 17th-18th century princely flag of that design, or the 1859 fusion of devices.

Not yet checked against sourceshow we know this

Wikipedia: Michael the Brave's flag, black eagle on a green juniper branch with a cross in its beak, damask yellow-white faded to white (undated). Flags of the World: c. 1593-1601 white banner with raven, juniper and double cross; 1532-35 red banner with bird on peak; 1688-1714 Brancoveanu personal flag; 1834 Ghika tricolor with eagle on the yellow band. Wikipedia (Wallachia): the infobox flag is dated c.1593-1611 and its flags section lists dated images (Michael the Brave 1593-1611, Mihnea III 1658, the 1821 uprising, an 1834 war ensign, 1848, an 1858 naval ensign) but does not describe their colours.

Not established: No source describes a gold field or a 17th-18th century princely flag of a black eagle on gold; Wikipedia's Wallachia captions give dates but no descriptions. The 1859 fusion of devices is not covered.

Paint guide
ProportionsNo fixed ratio recorded; princely/state banner.
LayoutGold field, black eagle with cross in beak, attested from the 17th–18th centuries.
Gold#D9A63C
Black#241F14
Moldavia's own aurochs head, black on red, star between the horns
1600 – 1859

Principality of Moldavia (Ottoman vassal)

Ottoman vassal principalityIeremia MovilăRomanian Orthodox Christianity
Migration & conquest:Immigration: Greek Phanariote officials (from 1711)
Ruling house:House of Ghica

Who & why: Moldavia keeps its own princes and institutions under Ottoman suzerainty on much the same terms as Wallachia, likewise losing effective self-rule to appointed Phanariote princes after 1711. Russian influence grows through the 18th and early 19th centuries, and Moldavia loses its eastern half, Bessarabia, to Russia outright in 1812 — territory Romania will spend the next two centuries intermittently regaining and losing again.

What it represents: the drawing shows an aurochs head with a star, rose and crescent on red. Flags of the World dates a red great banner with an aurochs head, star, sun and moon to 1457-1504 (Stephen III) and a red banner with an aurochs head and two crescent moons to c. 1600 (Jeremiah Movila); Wikipedia mentions Moldavian arms and flags in blue, yellow and red without dates. The sources read do not mention a rose, or say the aurochs head is black.

Not yet checked against sourceshow we know this

Flags of the World: 1457-1504 Stephen III red great banner with aurochs head, star, sun and moon; c. 1600 Jeremiah Movila red banner with aurochs head and two crescent moons; 1834 Sturdza blue militia standards; 1842-48 Bibesco red flag. Wikipedia: Moldavian arms and flags in blue, yellow, red, no dates. Wikipedia (Moldavia): the 14th-15th century flag in the infobox is a modern reconstruction of a princely standard, and the attested versions of symbols other than the aurochs vary considerably; the 1829 Treaty of Adrianople assigned red-over-blue pennants; a flag 'according to the Organic Regulation' is dated 1831-1862.

Not established: A black aurochs head and the rose are not stated in any source; Wikipedia's Moldavia text points to a separate flag article that was not read. Wikipedia text read in two parts (first 100,000 plus the remainder).

Paint guide
ProportionsNo fixed ratio recorded; princely/state banner.
LayoutRed field, black aurochs' head with star, rose, and crescent (simplified to star here).
Red#A4302A
Black#241F14
NO FLAG DOCUMENTED
placeholder maroon field — founding era, no flag survives this early
c. 1330 – 1600

Principality of Wallachia (founding era)

Founding principalityBasarab IRomanian Orthodox Christianity
Ruling house:House of Basarab

Who & why: Basarab I defeats an invading Hungarian royal army at the Battle of Posada in 1330, securing effective independence for the young principality he founded south of the Carpathians; his name gives the ruling Basarab dynasty, and eventually the modern region of Basarabia, its own. Wallachia's most famous ruler of this era, Vlad III "the Impaler" (Dracula), reigns intermittently in the 1450s–70s, waging brutal resistance campaigns against Ottoman expansion. The principality's most striking later moment comes in 1600, when Prince Michael the Brave briefly rules Wallachia, Moldavia, and Transylvania together — the first time in history one man held all three, though the union collapses within a year of his 1601 assassination.

What it represents: no securely documented flag survives from Wallachia's first two and a half centuries; princely seals of the era show a version of the black eagle later fixed on the gold field shown two cards down, but not reliably as a flag. Shown here honestly blank rather than projecting the later, better-attested design backward.

Placeholder imagehow we know this

This page's own caption calls the image a placeholder: «placeholder maroon field — founding era, no flag survives this early».

Not established: Whether a flag, banner or standard existed in this period was not checked. The colour shown is not evidence of one.

Paint guide
ProportionsN/A — no attested flag.
NO FLAG DOCUMENTED
placeholder maroon field — founding era, no flag survives this early
c. 1350 – 1600

Principality of Moldavia (founding era)

Founding principalityBogdan IRomanian Orthodox Christianity
Ruling house:House of Mușat (Bogdan-Mușatini)

Who & why: Dragoș crosses the eastern Carpathians as a Hungarian vassal around 1350–59 to found a march against Tatar raids; his successor Bogdan I breaks from Hungary around 1363 to found Moldavia as a fully independent principality in its own right. Stephen the Great (r. 1457–1504) becomes the era's dominant figure, winning dozens of battles against Ottoman, Hungarian, and Polish armies alike and building dozens of churches and monasteries, several now UNESCO World Heritage sites, to commemorate his victories.

What it represents: as with Wallachia, no flag is securely documented for Moldavia's own founding centuries, though the aurochs-head device that later becomes its fixed emblem already appears on princely seals under Stephen the Great. Shown here honestly blank rather than borrowing the later, better-attested flag shown two cards up.

Placeholder imagehow we know this

This page's own caption calls the image a placeholder: «placeholder maroon field — founding era, no flag survives this early».

Not established: Whether a flag, banner or standard existed in this period was not checked. The colour shown is not evidence of one.

Paint guide
ProportionsN/A — no attested flag.
the draco — a wolf-headed dragon windsock standard, reconstructed from Trajan's Column and archaeological finds
c. 82 BCE – 271 CE

Dacian Kingdom & Roman Dacia

Kingdom, then Roman provinceBurebistaDacian polytheism (Zalmoxis cult)
Migration & conquest:Conquered by: Rome (106 CE, Trajan's Dacian Wars)Colonization: Roman settlers into Dacia (post-106 CE)

Who & why: the Dacians, a Thracian-related Indo-European people of the Carpathian and lower Danube region, are first unified into one powerful kingdom by Burebista around 82 BCE, briefly strong enough to trouble the fringes of the late Roman Republic. His most storied successor, Decebalus, resists two full Roman invasions under Emperor Trajan before his final defeat and death in 106 CE ends Dacian independence. Rome organizes the conquered core as the province of Dacia, colonizing it heavily until Emperor Aurelian formally withdraws Roman administration south of the Danube in 271 CE — but not before leaving behind a Daco-Roman population and Latin tongue that becomes the direct ancestor of the Romanian language and, eventually, the Wallachian and Moldavian principalities that follow.

What it represents: no flag in the modern sense survives. Flags of the World cites a claim that the colours existed on the Dacian standard on Trajan's Column, describing a metal wolf's head with coloured cloth bands, and says some of these statements are disputable; Wikipedia's Flag of Romania does not mention the draco. The sources read do not cover the wolf-headed dragon's windsock tail or its adoption by Roman cavalry; the drawing is a reconstruction.

World context: Burebista's kingdom rises just as Julius Caesar consolidates power in Rome, reportedly eyeing a Dacian campaign of his own before his 44 BCE assassination cuts it short; Trajan's final 106 CE conquest comes a generation after the Colosseum's 80 CE inauguration, and Trajan commemorates his victory with the 30-meter marble Trajan's Column in Rome, completed in 113 CE — one of the most detailed surviving visual records of any ancient war.

Attestedhow we know this

Wikipedia (Dacian Draco): the Dacian standard has the form of a dragon with open wolf-like jaws containing metal tongues, carried by Dacian soldiers in about 20 scenes of Trajan's Column (wars of 101-102 and 105-106); it is thought to have been filled by the wind and to have whistled; Rome probably adopted it after conquering Dacia, and the first Roman cavalry depiction dates to Marcus Aurelius (161-180). FOTW (ro.html and ro_legnd.html): the standard on Trajan's Column was a metal wolf's head with coloured cloth bands, Dan Dima agreeing the wolf-head standard existed but saying its colours cannot be reconstructed from marble.

Not established: Attested only as a Dacian military standard shown on Trajan's Column (101-106), not as a national flag of a kingdom from c.82 BCE; the draco's origin is disputed and its colours are not reconstructable. The page's 82 BCE start and Roman Dacia end (271) are not covered by these sources.

Paint guide
ProportionsN/A — no attested civil flag; reconstructed military standard.

Reading the tags

Principality / kingdom — medieval or dynastic polity
Occupied / transitional — sovereignty contested or foreign-controlled
Republic — democratic, sovereign or contested
Communist state — one-party, Soviet-aligned
Fascist / Axis-aligned — wartime military dictatorship
Leader — the named ruler most associated with the era's start
State religion — the official/established faith, not the population's
Compiled from Wikipedia, Flags of the World (fotw.info / crwflags.com), and Britannica. Colors are close historical approximations for painting reference; pre-19th-century swatches are informed reconstructions, not official specifications. Map is schematic and not surveyed.