In 1972, “Grease,” a musical with a 1950’s rock score by Jim Jacobs and Warren Casey, opened off-Broadway. Among the original cast members were Barry Bostwick and Adrienne Barbeau. The show moved to Broadway later in 1972, and when it closed in 1980, it was one of the longest running musicals in history.

Also on this date in 1972, John Lennon and Yoko Ono began a week as co-hosts of the Mike Douglas television talk show.

In 1974, Daryl Dragon and Toni Tennille – The Captain & Tennille – were married in California.

In 1981, Generation X, the London punk band led by Billy Idol, broke up.

In 1994, Michael Jackson sang a cappella passages from his songs “Billie Jean” and “Dangerous” in a Denver courtroom while testifying in a copyright infringement case. Crystal Cartier had claimed Jackson stole one of her songs but the case was dismissed. The court later began selling audio transcripts of Jackson’s testimony, including his singing, at $15 a tape.