JANUARY 22

1973:Justice Harry A. Blackmun authors the U.S. Supreme Court’s 7-2 decision in Roe v. Wade, which overturns state laws prohibiting abortion. The date will be commemorated annually by rallies both for and against the decision.

1938: Thornton Wilder’s Pulitzer Prize-winning play Our Town debuts in Princeton, N.J.

1998: Theodore Kaczynski pleads guilty to being the Unabomber.