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Flags of the Republic of the Congo

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Flags of the Republic of the Congo

Congo-Brazzaville takes its name from the city Pierre Savorgnan de Brazza founded on the Congo River's north bank in 1880 — the administrative capital that grew into the seat of all French Equatorial Africa. Its own path runs from the Teke Kingdom that ceded land to Brazza's French mission, through eight decades as a French territory, a brief and genuinely radical run as a Marxist-Leninist one-party republic, and back to multiparty rule under the pan-African tricolor it first raised at independence.

It is easy to confuse with its much larger neighbor across the river, the Democratic Republic of the Congo — the two capitals, Brazzaville and Kinshasa, are the closest pair of national capitals in the world after Rome and Vatican City — but their colonial paths (French versus Belgian) and post-independence histories diverge sharply.

Scope of this page: the lands of the present-day Republic of the Congo, from the pre-colonial Teke Kingdom through French Equatorial Africa to the modern republic. The map below traces the country's whole territory, which was never itself internally partitioned. Part of a larger atlas — see the linked pages at the bottom.

One territory, five eras

The Republic of the Congo’s own real border, traced whole — from the Teke Kingdom through French Equatorial Africa to the modern republic, this territory has never itself been split between rival governments. Press play, or drag the slider, to watch who held it, era to era.

This is a single-region page, not a partition map. Brazzaville sits across the river from Kinshasa, capital of the much larger Democratic Republic of the Congo — the closest pair of national capitals in the world after Rome and Vatican City — but the two countries have separate colonial and post-independence histories and separate pages in this atlas. Congo-Brazzaville’s own territory was never internally partitioned, so the map traces the whole country.
c. 1400 – 1880
CENTRAL AFRICAN REPUBLIC DR CONGO GABON ATLANTIC OCEAN REPUBLIC OF THE CONGO

Real traced border (johan/world.geo.json) — no internal partition, per the rule box above.

How we know this. 5 of 5 eras on this page carry an evidence panel (3 attested, 1 placeholder image, 1 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.
green-yellow-red diagonal tricolor, current flag since 1991
1991 – present

Republic of the Congo (multiparty republic)

Republic, multipartyPascal LissoubaSecular (no state religion)
Migration & conquest:Emigration: war refugees (1997–2003)Immigration: refugees from Zaire/DRC wars (1997–)

Who & why: a 1991 National Conference strips the ruling Congolese Labour Party of its constitutional monopoly and restores the pre-1970 flag alongside multiparty elections. The transition is not smooth — a 1997 civil war returns Denis Sassou Nguesso to power by force, and he has governed continuously (aside from a 1992–97 interlude) ever since — but the flag itself has not changed since 1991.

What it represents: the same green-yellow-red diagonal tricolor first adopted at independence in 1960, restored as the definitive national symbol after the Marxist-Leninist interlude ended.

Attestedhow we know this

Both sources give 1991, the year this page starts the current flag. Wikipedia's infobox gives the adoption as 15 September 1959; Flags of the World dates it 18 August 1959.

Not established: Only the year the current flag was adopted was compared; the design and the swatch colours were not checked against a specification.

Paint guide
Proportions2:3, green triangle at hoist-top and fly-bottom, red triangle at hoist-bottom and fly-top, yellow diagonal band between.
LayoutDiagonal tricolor, green upper-hoist, yellow center band, red lower-fly.
Green#009543
Yellow#FBDE4A
Red#DC241F
red field, gold hammer-and-hoe emblem and star — People's Republic era
1970 – 1991

People's Republic of the Congo

Republic, one-party (Marxist-Leninist)Marien NgouabiState atheism (Marxist-Leninist)
Migration & conquest:Immigration: Angolan & southern African liberation-movement exiles (1975–)

Who & why: after a series of coups following independence, Marien Ngouabi declares the People's Republic of the Congo in December 1969, formalized in January 1970 — sub-Saharan Africa's first officially Marxist-Leninist state, aligned with the Soviet bloc under the sole ruling Congolese Labour Party (PCT). The system persists through Ngouabi's 1977 assassination and successive PCT leaders until the 1991 National Conference ends one-party rule.

What it represents: a red flag with a gold star, hammer and hoe within palm branches in the canton (Wikipedia, dated 1970 to 1991), replacing the tricolour; Flags of the World says the replacement was based on the Soviet flag and dates the abolition of the old flag to 30 December 1969.

Not yet checked against sourceshow we know this

Wikipedia (Flag of the Republic of the Congo): the 1970-1991 flag had a red field with the new arms in the canton, a gold star with a hammer and hoe over it in a wreath of two palm branches, inspired by the Soviet flag, used 2 January 1970 to 9 June 1991. FOTW (cg_prc): the new flag was adopted 30 December 1969 with the constitution and in force from 1 January 1970, red (for the blood of anti-colonial fighters) with a yellow star for the party's leading role and a hammer and hoe as a variation of the hammer and sickle; the original flag was restored in 1991 (10 June 1991 on cg.html).

Not established: Both sources agree on the design in outline and on 1970 to June 1991. FOTW does not mention the palm branches or the canton position, and its adoption date (30 December 1969) differs by days from Wikipedia's (2 January 1970).

Paint guide
Proportions2:3, red field with centered gold emblem.
LayoutRed field, gold crossed hammer-and-hoe with a star above, simplified here.
Red#C8102E
Gold#FBDE4A
the first Congolese flag, adopted at independence
1959 – 1970

Republic of the Congo (independence)

Republic, independentFulbert YoulouSecular (no state religion)

Who & why: the territory becomes an autonomous republic within the French Community in 1958 and adopts this flag in September 1959, ahead of full independence on 15 August 1960 under Fulbert Youlou, the country's first president. Brazzaville, already the administrative seat of all French Equatorial Africa, becomes the new republic's capital.

What it represents: the green-yellow-red diagonal tricolour (Wikipedia: adopted 15 September 1959; Flags of the World: 18 August 1959), the only Pan-Africanist flag with a diagonal according to Wikipedia. The sources read do not credit the colours to Ethiopia and Ghana.

Attestedhow we know this

Wikipedia: adopted 15 September 1959, a yellow diagonal band with a green upper and red lower triangle, unchanged at independence on 15 August 1960, the only Pan-Africanist flag with a diagonal. FOTW: adopted 18 August 1959 (Loi constitutionnelle no. 8), green, yellow and red diagonal, kept at independence 15 August 1960 and the fifth national flag to use those colours.

Not established: Adoption day differs (15 September vs 18 August); the page's attribution of the colours to Ethiopia and Ghana is not in either source.

Paint guide
Proportions2:3.
LayoutDiagonal tricolor, green upper-hoist, yellow center band, red lower-fly.
Green#009543
Yellow#FBDE4A
Red#DC241F
the French Tricolor, flown over French Equatorial Africa's capital
1880 – 1959

French Congo / French Equatorial Africa

ColonyPierre Savorgnan de BrazzaRoman Catholic (favored, not established)
Migration & conquest:Immigration: forced labor for Congo-Ocean Railway (1921–34)

Who & why: Pierre Savorgnan de Brazza negotiates a treaty with Teke ruler Makoko in 1880, founding the post that becomes Brazzaville and establishing French claims north of the Congo River, formalized as French Congo in 1891. From 1910 the territory anchors French Equatorial Africa, a federation of four colonies (alongside Gabon, Ubangi-Shari, and Chad) governed from Brazzaville — making this small territory the administrative heart of French holdings across the whole of central Africa.

What it represents: Wikipedia says the French authorities reportedly forbade the colony its own flag; the sources read do not describe the colonial flag or mention the Tricolour for this period, and the 1880 start date is not covered.

Attestedhow we know this

FOTW (fr-colon): 'the common and specific flag for all of these possessions [French West and Equatorial Africa] was of course the French Tricolore'; a green-over-yellow Middle Congo flag with the tricolour in the canton was proposed but rejected in Parliament. Wikipedia (French Equatorial Africa): the federation ran 15 January 1910 to September 1958 and its infobox flag links to the Flag of France. Wikipedia (Flag of the Republic of the Congo): the French authorities reportedly forbade the colony its own distinctive colonial flag. FOTW (cg.html): the territory came under French sovereignty in the 1880s and was part of French Equatorial Africa 1910-1958.

Not established: The tricolour is stated for the possessions generally by FOTW and for the federation by Wikipedia's infobox; neither pins the 1880 start (FOTW says 'the 1880s') and the 1959 end of the era is the page's. The Middle Congo flag proposal was not adopted and the dates of that proposal are not given.

Paint guide
Proportions2:3.
LayoutVertical tricolor, blue-white-red.
Blue#002395
White#FFFFFF
Red#ED2939
NO FLAG DOCUMENTED
placeholder maroon field — Teke Kingdom era, no flag survives
c. 1400 – 1880

Teke Kingdom (Kingdom of Anzico) and neighboring polities

Pre-colonial kingdomNo single ruler documentedTraditional/ancestral religion
Ruling house:Makoko (Teke royal title)Maloango (Loango royal title)

Who & why: the Teke (Bateke) Kingdom, also recorded by early European visitors as Anzico, controls the plateau north of the Congo River from at least the 15th century, trading ivory and copper into networks that reach the Kingdom of Kongo to the south. It is the Teke ruler Makoko who signs the 1880 treaty with Brazza that becomes the basis for French claims to the territory.

What it represents: no securely documented flag or banner survives for the Teke Kingdom or the smaller polities along this stretch of the river; shown here honestly blank rather than invented.

Placeholder imagehow we know this

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

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.

Reading the tags

Pre-colonial kingdom — sovereign under its own rulers, before European claims
Colony — administered as French territory
Republic, one-party (Marxist-Leninist) — sole ruling party, socialist alignment
Republic, independent — sovereign, multiparty or transitional
Leader — the named ruler most associated with the era's start
State religion — the official/established faith, not the population's

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More of the atlas

This page is one lineage in a larger set. See the region-wide hub and the other countries here:

Flags Atlas indexSearch every country and hub Central & Southern Africa hubFourteen countries, Congo basin to the Cape
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.