September 1951

Saturday 01:

The United States, Australia and New Zealand sign a mutual defense pact, called the ANZUS Treaty.

Monday 03:

The first long-running American television soap opera, Search for Tomorrow, airs its first episode on the CBS network.

Tuesday 04:

The first live transcontinental television broadcast takes place in San Francisco, California, from the Japanese Peace Treaty Conference.

Saturday 08:

Treaty of San Francisco: In San Francisco, California, 48 nations sign a peace treaty with Japan in formal recognition of the end of the Pacific War.

Monday 10:

United Kingdom began an economic boycott of Iran.

Saturday 15:

Gentlemen Prefer Blondes closes on Broadway in New York City after 740 performances.

Monday 17:

Robert A. Lovett was sworn in as the 4th Secretary of Defense of United States.

Saturday 22:

The first live sporting event seen coast-to-coast in the United States, a college football game between Duke and the University of Pittsburgh, is televised on NBC.