7 things you didn't know about the Philippine flag

May 28, 2019 marks the 121st anniversary when the Philippine flag was first unfurled after the Philippine Revolutionary army defeated the Spanish forces in the Battle of Alapan, Cavite.

READ: The do's and don'ts about the Philippine flag

From May 28 to June 12, the entire nation is expected to hang the Philippine flag with pride in every corner of the country. But before you see the reds, the blues, and the whites flapping in the streets, here are seven interesting facts you may not have known about our flag:

Sources: Presidential Museum and Library

— LA, GMA News