17 pictures that changed the course of LGBT history.

Photo by Diana Davies: Gay Liberation Front marches on Times Square, New York, 1970. (Image: New York Public Library, Manuscripts and Archives Division)

In the 1960s and ’70s, amid a climate of political upheaval and civil rights activism, LGBT communities across the US were uniting for visibility and change. Events like the 1969 Stonewall riots, which saw LGBT activists rise up against discrimination in…