Hungary
What the source says
Referenced, awaiting primary-source reviewIn this exact form, it has been the official flag of Hungary since 23 May 1957. The new constitution, which took effect on 1 January 2012, makes the ex-post interpretation official: strength (erő), fidelity (hűség) and hope (remény). After the [1956] revolution was defeated by the Soviet Red Army, the official flag of Hungary has been a pure red-white-green tricolour since 1957.
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 and meaning
Symbolism and history(r1)
A plain red-white-green horizontal tricolor; after the 1956 revolution was defeated, the official flag of Hungary has been a pure red-white-green tricolour since 1957.
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”.
- Tajikistan94
the same horizontal band layout; near-identical colour proportions.
- Iran88
the same horizontal band layout; near-identical colour proportions.
- Equatorial Guinea85
the same horizontal band layout; near-identical colour proportions.
- Suriname81
the same horizontal band layout; near-identical colour proportions.
- Oman80
the same horizontal band layout; the same colours in similar amounts.
- Lebanon79
the same horizontal band layout; the same colours in similar amounts.
From this entry, not from the index: Shares its red-white-green palette with Bulgaria's flag, in reverse stripe order (Hungary red-white-green, Bulgaria white-green-red).
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 Hungary (Wikipedia (English)) on 2026-07-17. States the adoption year, which colors the flag has, what the colors mean 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 Hungary on Wikipedia