September 27 events in history

1066 William the Conqueror and his army set sail from the mouth of the River Somme, beginning the Norman conquest of England
1331 The Battle of Płowce between the Kingdom of Poland and the Teutonic Order is fought
1422 After the brief Gollub War the Teutonic Knights sign the Treaty of Melno with the Kingdom of Poland and Grand Duchy of Lithuania
1529 The Siege of Vienna begins when Suleiman I attacks the city
1540 The Society of Jesus (the Jesuits) receives its charter from Pope Paul III
1590 Pope Urban VII dies 13 days after being chosen as the Pope, making his reign the shortest papacy in history
1605 The armies of Sweden are defeated by the Polish–Lithuanian Commonwealth in the Battle of Kircholm
1669 The Venetians surrender the fortress of Candia to the Ottomans, thus ending the 21-year long Siege of Candia
1777 Lancaster, Pennsylvania is the capital of the United States, for one day
1821 Mexico gains its independence from Spain
1822 Jean-François Champollion announces that he has deciphered the Rosetta stone
1825 The world's first public railway to use steam locomotives, the Stockton and Darlington Railway, is ceremonially opened
1854 The steamship SS Arctic sinks with 300 people on board. This marks the first great disaster in the Atlantic Ocean
1875 The merchant sailing ship Ellen Southard is wrecked in a storm at Liverpool; the United States Congress subsequently awards 27 gold Lifesaving Medals to the lifeboat men who went to rescue her crew
1903 Wreck of the Old 97, a train crash made famous by the song of the same name
1905 The physics journal Annalen der Physik received Albert Einstein's paper "Does the Inertia of a Body Depend Upon Its Energy Content?", introducing the equation E=mc²
1908 The first production of the Ford Model T automobile was built at the Piquette Plant in Detroit, Michigan
1916 Iyasu V is proclaimed deposed as ruler of Ethiopia in a palace coup in favor of his aunt Zewditu I
1922 King Constantine I of Greece abdicates his throne in favor of his eldest son, King George II
1928 The Republic of China is recognized by the United States
1930 Bobby Jones wins the U.S. Amateur Championship to complete the Grand Slam of golf. The old structure of the grand slam was the U.S. Open, British Open, U.S. Amateur, and British Amateur
1937 Balinese Tiger declared extinct
1938 Ocean liner Queen Elizabeth launched in Glasgow
1940 World War II: The Tripartite Pact is signed in Berlin by Germany, Japan and Italy
1941 The SS Patrick Henry is launched becoming the first of more than 2,700 Liberty ships
1942 Last day of the September Matanikau action on Guadalcanal as United States Marine Corps troops barely escape after being surrounded by Japanese forces near the Matanikau River
1944 The Kassel Mission results in the largest loss by a USAAF group on any mission in World War II
1949 The first Plenary Session of the National People's Congress approves the design of the Flag of the People's Republic of China
1954 The nationwide debut of Tonight Starring Steve Allen (The Tonight Show) hosted by Steve Allen on NBC
1956 USAF Captain Milburn G. Apt becomes the first man to exceed Mach 3 while flying the Bell X-2. Shortly thereafter, the craft goes out of control and Captain Apt is killed
1959 Nearly 5,000 people die on the main Japanese island of Honshū as the result of a typhoon
1961 Sierra Leone joins the United Nations
1962 The Yemen Arab Republic is established
1964 The British TSR-2 aircraft XR219 makes its maiden flight from Boscombe Down in Wiltshire
1968 The stage musical Hair opens at the Shaftesbury Theatre in London, where it played 1,998 performances until its closure was forced by the roof collapsing in July 1973
1977 A U.S. Navy McDonnell Douglas F-4 Phantom II crashes into a residential neighborhood in Yokohama, Japan, killing two children on the ground and injuring seven other people
1979 The United States Department of Education receives final approval from the U.S. Congress to become the 13th US Cabinet agency
1983 Richard Stallman announces the GNU project to develop a free Unix-like operating system
1988 National League for Democracy is formed by Aung San Suu Kyi and various others to help fight against dictatorship in Myanmar
1993 The Sukhumi massacre takes place in Abkhazia
1996 In Afghanistan, the Taliban capture the capital city Kabul after driving out President Burhanuddin Rabbani and executing former leader Mohammad Najibullah
1996 The Julie N. tanker ship crashes into the Million Dollar Bridge in Portland, Maine spilling thousands of gallons of oil
1997 Communications are suddenly lost with the Mars Pathfinder space probe
1998 The Google internet search engine retrospectively claims this as its birthday
2000 The first Olympic Gold Medal ever for Tae Kwon Do was won by Greek athlete Michalis Mouroutsos in men's -58 kg division in Sydney
2001 Zug massacre: In Zug, Switzerland, Friedrich Leibacher shoots 18 citizens, killing 14 and then himself
2003 Smart 1 satellite is launched
2005 After 162 episodes, Tom and Jerry airs its final episode titled, The Karate Guard
2007 NASA launches the Dawn probe
2008 CNSA astronaut Zhai Zhigang becomes the first Chinese person to perform a spacewalk while flying on Shenzhou 7