Orange Shirt Day

Short definition from Wiktionary

Proper noun

1. 1
   September 30th; A national observance in remembrance of the time of year that Indigenous children were forcibly removed from Native homes to be forced into schools to assimilate into the colonizer's culture and lose their birth culture; and the cultural genocide and deaths of children at the schools, caused by the residential school system. Observers frequently wear orange shirts to stand in solid