Flag of Peru

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Republic of Peru

Bandera nacional (National flag) El pendón bicolor (The bicolor banner) La enseña nacional (The national ensign)
Use	Civil flag and ensign
Proportion	2:3
Adopted	25 February 1825; 199 years ago (1825-02-25) (current triband version) 31 March 1950; 74 years ago (1950-03-31) (current version)
Design	A vertical triband of red (hoist-side and fly-side) and white.
Designed by	José de San Martín José Bernardo de Tagle Simón Bolívar
Pabellón nacional
Use	State flag, state and naval ensign
Proportion	2:3
Adopted	31 March 1950; 74 years ago (1950-03-31)
Design	A vertical triband of red (hoist-side and fly-side) and white with the National Coat of Arms centered on the white band.
Bandera de guerra (War flag of Peru)
Use	War flag
Proportion	2:3
Design	A vertical triband of red (hoist-side and fly-side) and white.
Bara de proa (Naval jack of Peru)
Proportion	1:1
Design	A red square with the white square in the center bearing the Coat of Arms (Escudo de Armas) in the center.

The flag of Peru was adopted by the government of Peru in 1825, and modified in 1950. According to the article 49 of the Constitution of Peru, it is a vertical triband with red outer bands and a single white middle band.^[1] Depending on its use, it may be defaced with different emblems, and has different names. Flag day in Peru is celebrated on 7 June, the anniversary of the Battle of Arica.