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Flags of Paraguay

Paraguay's story runs through its Guaraní heartland and a genuinely distinctive regional feature: the Jesuit reductions, self-governing indigenous mission towns that flourished across the territory until the Spanish crown expelled the Jesuits from its American colonies in 1767. Independence followed in May 1811, achieved with unusually little bloodshed compared to the longer wars fought by many of Paraguay's neighbors — but the new republic then turned sharply inward under the strict, isolationist rule of Dr. José Gaspar Rodríguez de Francia.

That isolation gave way to a catastrophic reckoning: the 1864–1870 Paraguayan War, fought against the allied forces of Brazil, Argentina, and Uruguay, is commonly estimated to have killed more than half of Paraguay's pre-war population, including the overwhelming majority of its adult men. The country rebuilt slowly over the following century into the democracy it is today, all under a tricolor that has barely changed since the 1840s.

Scope of this page: the lands of present-day Paraguay, c. 1500s (Guaraní era) – present, five entries. No genuine internal governing split exists within Paraguay's own modern borders at any point in its history, so like Sweden's page in this atlas, this one carries no internal-partition map. Part of a larger atlas — see the map and linked pages at the bottom.

One border, five flags

Paraguay's own real border, traced whole — there is no genuinely separate internal region to carve out here, not even during the catastrophic 1864–70 war that cost the country roughly half its population. What changes, era to era, is only who ruled all of it at once. Press play, or drag the slider.

This page carries no internal-partition map by design. Paraguay has never been divided into two separately-governed pieces — even the War of the Triple Alliance, which stripped away large tracts of territory to Argentina and Brazil, shrank the border rather than splitting it in two.

to 1537

Guaraní peoples

Real traced border (simplified from public coastal/frontier-vertex data), no internal partition — see the rule box above for why.

red-white-blue triband; the state flag alone is double-sided, arms on front, treasury seal on back

1870 – present

Republic of Paraguay (modern)

RepublicCirilo Antonio RivarolaRoman Catholicism (until 1992)

Migration & conquest:Occupied by: Brazil (until 1876)Immigration: Mennonite colonists (1927–)Immigration: Brazilian settlers/Brasiguayos (1960s–)

Who & why: after the catastrophic 1864–70 Paraguayan War devastates the country's population and strips away large tracts of territory, Paraguay rebuilds slowly under a long series of republican governments through the 20th century, including the four-decade Stroessner dictatorship (1954–89), before consolidating into today's multiparty democracy.

What it represents: the red-white-blue tricolor, in use in this basic form since the 1840s, remains the national flag throughout. Paraguay is famously one of the very few countries whose state flag differs on its two sides — the national coat of arms on the obverse, the Treasury seal (a lion and liberty cap) on the reverse — a documented design quirk simplified away on the plain triband shown here.

Paint guide

Proportions3:5, three equal horizontal bands.

LayoutRed (top), white (middle), blue (bottom); state version bears the coat of arms (obverse) and Treasury seal (reverse) centered in the white band, omitted here for simplicity.

Red#D52B1E

White#F4EFE1

Blue#0038A8

the same tricolor, flown throughout the Paraguayan War

1864 – 1870

Paraguayan War / War of the Triple Alliance

Republic, wartimeFrancisco Solano LópezRoman Catholicism

Migration & conquest:Occupied by: Brazil (Asunción, from 1869)

Who & why: under President Francisco Solano López, Paraguay fights a ruinous war from 1864 to 1870 against the allied forces of Brazil, Argentina, and Uruguay. The war ends in catastrophic defeat: Paraguayan population loss is commonly estimated at more than half the pre-war total, including the vast majority of adult men, permanently reshaping the country's demographics for generations — one of the most severe population losses of any war in the modern era.

What it represents: the same red-white-blue tricolor adopted under Carlos Antonio López in the 1840s is carried through the war unchanged, worn on uniforms and flown over the shrinking territory Paraguay still held.

Paint guide

Proportions3:5, three equal horizontal bands.

LayoutRed (top), white (middle), blue (bottom).

Red#D52B1E

White#F4EFE1

Blue#0038A8

the tricolor as standardized under Carlos Antonio López, 1840s onward

1811 – 1864

Early republic under Francia and the López family

Republic, isolationistJosé Gaspar Rodríguez de FranciaRoman Catholicism (state-controlled)

Migration & conquest:Emigration: foreign merchants expelled (1820s)

Who & why: Paraguay declares independence in May 1811 with comparatively little bloodshed, a notably quieter break from Spain than many of its neighbors' longer independence wars. Dr. José Gaspar Rodríguez de Francia then rules as a strict, isolationist dictator — "El Supremo" — from 1814 until his death in 1840, deliberately sealing the country off from its neighbors. Carlos Antonio López, and later his son Francisco Solano López, continue a strong centralized state through the following decades, setting the stage for the catastrophic war with the Triple Alliance that begins in 1864.

What it represents: the red-white-blue tricolor shown here is standardized under Carlos Antonio López in the 1840s; the earlier 1811–40s Francia period used flags and cockades in the same general colors but without a single fixed, consistently documented design, so this entry is shown under the standardized version that anchors the rest of the century.

Paint guide

ProportionsNo fixed ratio before the 1840s standardization; shown at 3:5.

LayoutRed (top), white (middle), blue (bottom).

Red#D52B1E

White#F4EFE1

Blue#0038A8

Cross of Burgundy, the common Spanish colonial banner

1537 – 1811

Spanish colonial Paraguay and the Jesuit missions

ColonyDomingo Martínez de IralaRoman Catholicism (Spanish state religion)

Migration & conquest:Immigration: Spanish colonists (from 1537)Emigration: Jesuits expelled (1767)

Ruling house:House of HabsburgHouse of Bourbon

Who & why: Asunción, founded in 1537, becomes an early and important Spanish colonial outpost in the region, later serving as the seat from which other Spanish settlements in the area were founded. From the early 1600s, the territory becomes home to the distinctive Jesuit reductions — self-governing Guaraní mission towns, dozens of them, combining Catholic evangelization with a degree of indigenous self-administration unusual elsewhere in the Spanish Americas. That era ends when the Spanish crown expels the Jesuits from its American colonies in 1767, a real and locally significant event; independence follows in May 1811.

What it represents: the Cross of Burgundy (a red saltire on white) served as the common banner of Spain's American colonies across most of this period, including Paraguay; a red-and-gold naval ensign was introduced late, in 1785, but the saltire banner remained the more general colonial symbol on land throughout.

Paint guide

ProportionsNo fixed ratio recorded; shown at 3:2.

LayoutWhite field, red saltire (Cross of Burgundy), the general banner of Spain's American colonies.

White#F4EFE1

Red#D52B1E

placeholder maroon field — pre-contact era, no flag survives

to 1537

Guaraní peoples

No unified polityNo single ruler documentedIndigenous Guaraní beliefs

Who & why: before Spanish contact, Guaraní-speaking peoples inhabit the territory that is now Paraguay in loosely organized communities and extended kin networks, without a single unifying polity or crown. Spanish colonization begins with the founding of Asunción in 1537, after which this earlier period gives way to the colonial era covered in the next entry.

What it represents: no single flag or polity-wide banner is documented for this pre-contact era. Shown here honestly blank rather than invented, consistent with how this atlas treats other pre-heraldic periods.

Paint guide

ProportionsN/A — no attested flag.

Reading the tags

No unified polity — no single crown or state yet

Colony — governed as Spanish colonial territory

Republic, isolationist — sovereign, deliberately closed off from neighbors

Republic, wartime — sovereign republic fighting for survival

Republic — sovereign under its own republican government

Leader — the named ruler most associated with the era's start

State religion — the official/established faith, not the population's

Find the records

Family history research for Paraguay lives in a different project, Record Atlas, which maps which archive actually holds the paper for a given place and era.

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