1947

President Harry S. Truman signed a Presidential Succession Act, which placed the speaker of the House and the Senate president pro tempore next in the line of succession to the vice president.

1976

At the Summer Olympics in Montreal, Nadia Comaneci of Romania became the first gymnast to receive a perfect score of 10 from judges for her performance on the uneven bars.

2013

Detroit became the biggest U.S. city to file for bankruptcy, its finances ravaged and its neighborhoods hollowed out by a long decline.