Alright kiddo, back in the 1960s, some people wanted to protest against different things like the Vietnam War and the government. They decided to gather in Central Park in New York City and have what they called a "be-in."
Now, what's a be-in? Well, it's when a group of people get together and kind of just hang out and spread good vibes. They might sing songs, dance, and talk about important topics.
The Central Park be-in specifically happened on April 30, 1967. Thousands of people gathered in the park and listened to music, danced, and spoke about important issues like civil rights and the war.
It was a peaceful gathering, and people just wanted to come together and share their ideas and feelings. It was also important because it showed that people from all different backgrounds could come together for a common cause.
So, that's the Central Park be-in in a nutshell. It was a big gathering of people who wanted to spread love and protest against things they disagreed with.