4 Feb.

The Twenty-fourth Amendment to the U.S. Constitution, prohibiting the use of a poll tax in election of federal officials, is ratified.

17 Feb.

In Wesberry v. Sanders the Supreme Court requires that congressional districts must all have approximately the same population.

Mar.

Jack Ruby is tried and convicted for the murder of Lee Harvey Oswald.

9 Mar.

In New York Times v. Sullivan the Supreme Court establishes constitutional standards for libel law which make it much more difficult for public-official plaintiffs to win libel suits.

The Boston Strangler begins a killing spree which soon holds the city in the grip of terror.