In 1967, young people from across the United States came to San Francisco to take part in what came to be known as the Summer of Love. Watch the first chapter of “Summer of Love” before it airs next Tuesday, June 12 at 9/8c on PBS. | American Experience | PBS

“I’m Affected” at the San Francisco Civic, 1979. Ramones played a 22-song set in the Civic Center plaza on this day in 1979. They would close the show with 5 encores leaving the city with something to talk about. | Ramones

CARNAVAL FLASHBACK As Carnaval San Francisco approaches its 40th anniversary, here's a look back at parade scenes from 1979. http://sanfrancisco.cbslocal.com/category/carnaval/ | KPIX CBS San Francisco Bay Area

#ThrowbackThursday to these Hippies in Haight-Ashbury dancing and listening to the Grateful Dead as they play on a temporary outdoor stage in Panhandle Park on April 20, 1967. (Footage by Getty Images) | SFGATE