Slavery in America started in 1619 when a Ditch ship brought 20 African slaves ashore in the British colony of Jamestown, Virginia
The ongoing American Revolution
Not limited to citizens initially to mortals to Greek mythology and reality (sorry if it doesn't make sense ;-;)
Answer:
The Castro was one of the first gay neighborhoods in the United States. Having transformed from a working-class neighborhood through the 1960s and 1970s, the Castro remains one of the most prominent symbols of lesbian, gay, bisexual, and transgender (LGBT) activism and events in the world