Short answers, pulled from the story.
The Summer of Love was a 1967 social phenomenon in San Francisco where approximately 100,000 young people gathered to embrace communal living and psychedelic culture. The event took place during the summer of 1967 with key activities occurring from January through October of that year.
The Human Be-In occurred at Golden Gate Park on the 14th of January 1967 and drew approximately 30,000 attendees. Artist Michael Bowen produced and organized this gathering which helped shape the hippie counterculture movement.
Haight Ashbury Free Clinics was founded on the 7th of June 1967 to provide free medical treatment to anyone who needed it. The Diggers also established a Free Store while Hippies called flower children rejected consumerist values for a communal lifestyle.
Approximately 30,000 people gathered for the first day of the music festival at Monterey and the number increased to 60,000 on the final day of that event. Large numbers of hippies traveled to California to hear favorite bands such as the Who and Grateful Dead.
The Death of the Hippie ceremony was staged on the 6th of October 1967 to commemorate the conclusion of the event with a mock funeral. Organizer Mary Kasper explained the intended message behind the theatrical production before participants left to join the back-to-the-land movement or resume school studies.