In June 21, 1788 New Hampshire becomes the ninth and last necessary state to ratify the Constitution of the United States, thereby making the document the law of the land.

In 1964, civil rights workers Michael H. Schwerner, Andrew Goodman and James E. Chaney were slain in Philadelphia, Mississippi; their bodies were found in an earthen dam six weeks later.

In 1965, the Byrds’ released theirdebut album, Mr. Tambourine Man, marking the beginning of the folk-rock revolution.

In 1973, the U.S. Supreme Court, in Miller v. California, ruled that states may ban materials found to be obscene.

In 1977, Menachem Begin of the Likud bloc became Israel’s sixth prime minister.

In 1982, a jury in Washington, D.C. found John Hinckley Jr. not guilty by reason of insanity in the shootings of President Ronald Reagan and three other men.

In 1989, a sharply divided Supreme Court ruled that burning the American flag as a form of political protest was protected by the First Amendment.