Today is Monday, Sept. 9, the 253rd day of 2024. There are 113 days left in the year. Today in history: On Sept. 9, 1957, Althea Gibson became the first Black tennis player to win the U.S. National Championships, which is now known as the U.S. Open. Also on this date: In 1776, the second Continental Congress formally adopted the name “United States of America,” replacing the “United Colonies of North America.” Related Articles Today in History: September 8, Ford pardons Nixon Today in History: September 7, Germany launches Blitz on UK Today in History: September 6, outpouring of grief at public funeral for Princess Diana Today in History: September 5, Munich Olympics massacre Today in History: September 4, confirmation hearings begin for future Supreme Court Justice Brett Kavanaugh In 1850, California was admitted as the 31st U.S.