- Capital
- Montevideo
- Continent
- South America
- Flag adopted
- 1830(r1)
- Designer
- Not individually credited
Uruguay
What the source says
Referenced, awaiting primary-source reviewFirst adopted by law on 18 December 1828, then modified on 11 July 1830 to reduce stripes to nine. The horizontal stripes represent the nine original departments of Uruguay. The golden Sun of May represents the May Revolution of 1810. [No meaning is stated for the blue and white beyond the stripes representing departments.]
Referenced, not verified: a secondary work states this, and the document that constitutes the flag has not been read for this entry. What the marks mean.
Colors
Symbolism and history(r1)
Nine alternating blue and white stripes for the nine original departments of Uruguay sit beside a white canton bearing the golden Sun of May, which represents the May Revolution of 1810, the design set in 1830 (reduced from nineteen stripes to nine).
Most similar flags
The 6 closest of the 194 other national flags, ranked by a similarity index computed from the flag images themselves. The number is that index, 0–100 — not a claim that the two flags are “X% identical”.
- Israel76
the same horizontal band layout; the same colours in similar amounts.
- Czech Republic73
the same horizontal band layout; the same colours in similar amounts.
- Serbia73
the same horizontal band layout; the same colours in similar amounts.
- Russia72
the same horizontal band layout; the same colours in similar amounts.
- United States of America72
the same horizontal band layout; similar colours in a different arrangement.
- Lesotho71
the same horizontal band layout; the same colours in similar amounts.
Computed at build time: each flag is rasterised to 64x48, and the score is 0.55 × colour overlap + 0.45 × structure. A different weighting would rank these differently. How the index works.
References — not verification
(r1) Referenced to Flag of Uruguay (Wikipedia (English)) on 2026-07-17. States the adoption year, which colors the flag has and the symbolism and history on this page. The passage it states them in is quoted at the top of this entry.
Further reading: Flag of Uruguay on Wikipedia