the Saint John River at Hartland, New Brunswick, Canada opens. It is the longest covered bridge in the world. William Howard Taft becomes Governor-General of the Philippines. July 10 – The world's first passenger-carrying trolleybus in regular service operates on the Biela Valley Trolleybus route at Königstein, Germany. August 5 – Peter O'Connor sets the first International Association of Athletics Federations recognised long jump world record, of 24 ft 11¾ ins (7.61m). The record will stand for 20 years. August 6 – Discovery Expedition: Robert Falcon Scott sets sail from Britain on the RRS Discovery to explore the Ross Sea in Antarctica. August 14 – The first claimed powered flight is made, by German-born American aviator Gustave Whitehead, in his Number 21, in Connecticut. August 21 – The International Secretariat of National Trade Union Centres is founded in Copenhagen. August 28 – Silliman University is founded in the Philippines, the first American private school in the country. August 30 – Hubert Cecil Booth patents an electric vacuum cleaner, in the United Kingdom. September September 5 – The National Association of Professional Baseball Leagues (later renamed Minor League Baseball), is formed in Chicago. September 6 – William McKinley assassination: American anarchist Leon Czolgosz shoots U.S. President William McKinley at the Pan-American Exposition in Buffalo, New York. McKinley dies 8 days later. September 7 – The Boxer Rebellion in Qing dynasty China officially ends, with the signing of the Boxer Protocol. September 14 – Vice President Theodore Roosevelt becomes the 26th president of the United States, upon President William McKinley's death. Roosevelt is sworn in this afternoon. September 28 – Philippine–American War: Balangiga massacre: Filipino guerrillas kill more than forty United States soldiers in a surprise attack in the town of Balangiga. October October 2 – The British Royal Navy's first submarine, Holland 1, is launched at Barrow-in-Furness. October 4 – The American yacht Columbia defeats the British Shamrock in the America's Cup yachting race. October 16 – U.S. President Theodore Roosevelt invites African American leader Booker T. Washington to the White House. The American South reacts angrily to the visit, and racial violence increases in the region. October 23 – Yale University celebrates its bicentennial. October 24 – Michigan schoolteacher Annie Edson Taylor goes over Niagara Falls in a barrel and survives. October 29 Leon Czolgosz is executed for assassinating William McKinley in Buffalo, New York on September 6. In Amherst,