From a Vietnam War veteran making a statement in 1975 to the first out NBA star in 2013, here are some of the biggest moments captured in print.
Sgt. Leonard Matlovich, a Vietnam War veteran, appeared on the cover of Time in 1975:
He famously stated:
He would go on to challenge the United States military's "don't ask, don't tell" policy.
Sir Elton John came out in the pages of Rolling Stone in February 1976:
Rolling Stone Cover by David Nutter / Via barewalls.com