When Is Ufo Day 2024. The holiday, observed on july 2, commemorates the anniversary of the 1947 roswell incident when an army weather balloon, according to the military, crashed in. First celebrated in 2001, it was created by the world ufo day organization.
This date marks the anniversary of the famous roswell incident from 1947, which got. First celebrated in 2001, it was created by the world ufo day organization.