Flag of Peru – Wikipedia

The flag of Peru was adopted by the government of Peru in 1824, 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. 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

https://en.wikipedia.org/wiki/Flag_of_Peru