On May 17, 1954, a unanimous U.S. Supreme Court handed down its Brown v. Board of Education of Topeka decision that racially segregated public schools were unequal, and unconstitutional.

In 1973, a special committee convened by the U.S. Senate began its televised hearings into the Watergate scandal.

In 1980, rioting that claimed 18 lives erupted in Miami’s Liberty City after an all-white jury in Tampa acquitted four former Miami police officers of fatally beating Black insurance executive Arthur McDuffie.

In 1996, President Bill Clinton signed a measure requiring neighborhood notification when sex offenders move in. (“Megan’s Law,” as it’s known, was named for Megan Kanka, a 7-year-old New Jersey girl who was raped and murdered in 1994.)

In 2004, Massachusetts became the first state to allow same-sex marriages.