Despite police violence against Chicano demonstrators in Los Angeles, the movement was not deterred.
The development of chemical warfare around the time of World War I led to the use of tear gas as a weapon by civilian police forces.
The first Earth Day took place fifty years ago, so most people don't remember how it happened or what it accomplished. It's time for a look back.
Giving Stonewall too much credit misses the movement’s growing strength in the 1960s, sociologists note.