The History Channel is showing a documentary called “The Hippies.” It’s Sponsor: The AARP.

Priceless irony of history: California declared LSD illegal. A massive event called the Human Be-In launched on the day the new law went into effect — in defiance of the anti-LSD law — essentially launches the hippy movement, virtually guaranteeing kids across the country would become entranced with the idea of tripping on the newly criminalized psychedelic drug.