This document outlines the timeline of changes to the flag of Peru from its creation in 1820 to 1825. The original flag was created by General José de San Martín in 1820. In 1822, José Bernardo de Tagle decreed a new design for the flag which was later changed again by Torre Tagle. Finally, in 1825 Simon Bolivar and Congress enacted a law that changed the flag design to the current vertical triband version.

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TIMELINE
The first flag of
the Republic
of Peru was
created by
General José
de San Martín
October,
1820
March,
1822
May,
1822
February,
1825
José Bernardo
de Tagle
decreed a
new design
for the flag.
Torre Tagle
changed the
flag's design
again. The
new version
was a vertical
triband
Simon Bolivar and
the Congress
changed the
design of the flag
by the enactment
of the national
symbols’ law.