One avenue to get to know the history of lesbians is to understand the culture of lesbian bars, especially those in San Francisco.
To diversify the sites of the US National Parks, more LGBT historical sites are being considered for national status by the National Park Service.
Currently on its last week, there's an Oakland exhibit of the iconic Lexington Club as 'San Francisco's Last Lesbian Bar' to remember its heyday.
Harvey Milk was the first openly gay person to be elected to public office in California. His career was cut short when he was shot to death in 1978.