28 September 1066: Guillaume le Bâtard invaded #England beginning what we now know as the #Norman Conquest. #History

28 September 48BC: Pompey the Great landed in #Egypt following his defeat at Battle of Pharsalus, and was assassinated on the orders of King Ptolemy XIII. #History #Rome

27 September 2007: A Delta II Heavy rocket launched NASA's Dawn space-probe to study the dwarf planets Vesta and Ceres in the asteroid belt. #History #Space #exploration

27 September 2003: The SMART-1 lunar orbiter was launched from the Guiana Space Centre in Kourou, French Guiana. #History #Space #exploration

27 September 1998: The #Google internet search engine retroactively claims this date as its birthday.

27 September 1964: The TSR-2 aircraft XR219 made its maiden flight from Boscombe Down in Wiltshire. #History #Aviation #TSR2

27 September 1962: Rachel Carson's book Silent Spring was published by the Houghton Mifflin Company. The book inspired an environmental movement, and led to the creation of the U.S. Environmental Protection Agency. #History

27 September 1941: The SS Patrick Henry was launched. She was to be the first of more than 2,700 Liberty ships. #History #WW2

27 September 1940: Representatives of Germany, Japan and Italy signed the Tripartite Pact in Berlin. The Tripartite Pact formally allied the Axis Powers with one another. #History #WW2

27 September 1938: The ocean liner RMS Queen Elizabeth was launched at the John Brown & Company shipyard in Glasgow. #History #Scotland

27 September 1888: A letter addressed to "Dear Boss", and signed "Jack the Ripper" arrived at the Central News Agency. #History

27 September 1825: Ceremonial opening of the Stockton and Darlington Railway (the first public railway to use steam locomotives). #History #Railways

27 September 1822: Jean-François Champollion announced that he had deciphered the Rosetta Stone. #History #Egypt #Egyptology

27 September 1590: Pope Urban VII died just 13 days after being elected as Pope. This is the shortest papacy to date. #History

27 September 1540: The Society of Jesus (The 'Jesuits') received its charter from Pope Paul III. #History

27 September 1331: The Battle of Płowce between the Kingdom of Poland and knights of the Teutonic Order. The battle itself was inconclusive, with both sides emphasising their successes for propaganda purposes, but appears to have been a strategic victory for the Kingdom of Poland. #History

27 September 1066: William the Conqueror (then known as "Guillaume le Bâtard") set sail from the mouth of the Somme River. #History #Norman

26 September 1997: An earthquake in #Italy caused part of the Basilica of Saint Francis at Assisi to collapse. #History

26 September 1984: The United Kingdom and China agreed to a transfer of sovereignty over Hong Kong. The transfer would take place in 1997. #History #HongKong

26 September 1983: Stanislav Petrov identified a reported incoming missile as a computer error and not a US first strike. #History #1stColdWar Lt Col Stanislav Petrov's decision to ignore warnings is credited with averting nuclear Armageddon.

26 September 1973: #Concorde made its first non-stop Atlantic crossing. The flight from Washington to Paris took 3 hours 32 minutes. #History #aviation

26 September 1969: The Beatles released Abbey Road. It was to be their last studio album. #History #TheBeatles

26 September 1960: The first televised debate between US presidential candidates (Richard Nixon & JFK) took place in Chicago. #History #USA

26 September 1953: #Sugar rationing, which had been introduced on 8 January 1940, ended in Britain. #History #UK

26 September 1950: General Douglas #MacArthur announced that United Nations troops had recaptured #Seoul from North Korean forces. In reality, the operation to secure the city would continue until 28 September. # History #Korea #KoreanWar

26 September 1918: The Meuse-Argonne Offensive began. #History #WW1 #WesternFront The Meuse-Argonne Offensive would prove to be the largest and bloodiest operation of World War I for the American Expeditionary Force (AEF).

26 September 1905: Albert #Einstein published "On the Electrodynamics of Moving Bodies" - his special theory of relativity. #History #science Full text: users.physics.ox.ac.uk/~rtaylor/tea...

26 September 1777: British troops commanded by General Howe occupied Philadelphia. #History #AmericanRevolution

26 September 1580: Sir Francis Drake completed his circumnavigation of the Earth. #History #Tudor

26 September 1087: William II ('William Rufus'), the third son of William the Conqueror, was crowned King of #England. #History

Could the French have started a trend of jailing former Presidents for their crimes? www.bbc.co.uk/news/article...

#RIP John "Bonzo" Bonham. The greatest rock drummer in #history. Died 25 September 1980, aged just 32, of a drug-alcohol overdose. #LedZeppelin

25 September 1997: The British Thrust SCC car, driven by Andy Green, set a new world land speed record of 714.44 mph in Nevada. #History

25 September 1992: NASA launched its Mars Observer mission from Cape Canaveral. #History #Space #exploration

25 September 1996: The last of the Irish 'Magdalene Asylums' (in Waterford) closed . #History #Ireland

25 September 1977: The first #Chicago Marathon was run. About 4,200 people took part. #History

25 September 1944: Surviving elements of the British 1st Airborne Division withdrew from #Arnhem. #History #WW2 #OperationMarketGarden

25 September 1897: Britain’s first motor-bus service, operated by the Yorkshire Motor Car Company, began in #Bradford. #History

25 September 1818: The obstetrician, James Blundell, performed the first human blood transfusion at Guy's Hospital in London. #History #medicine

25 September 1789: The United States Congress passed the Bill of Rights, which comprised the first ten constitutional amendments. They would eventually be ratified more than two years later, on 15 December 1791. #History #USA

25 September 1237: #Scotland and #England signed the Treaty of York which established the location of the border between them. #History

25 September 1066: The Battle of Stamford Bridge. The "other" battle of 1066. #History At Stamford Bridge, King Harold Godwinson defeated a Viking invasion led by King Harald Hardrada of Norway.

The Mayor went on to say that the sky is blue, and water is wet.

24 September 1991: Nirvana released their album 'Nevermind'. #History #Nirvana #Nevermind

24 September 1960: The world's first nuclear-powered aircraft carrier, USS Enterprise (CVN-65), was launched. #History #USNavy

24 September 1957: President Eisenhower invoked the Insurrection Act of 1807 to enable troops to perform domestic law enforcement, and ordered the 101st Airborne Division to Little Rock, Arkansas, to enforce desegregation. He also took federal control of the Arkansas National Guard #History #USA

24 September 1948: The #Honda Motor Company was incorporated. #History #Japan

24 September 1940: The George Cross and the George Medal were instituted by King George VI for civilian acts of bravery. The warrants for both medals were gazetted on 31 January 1941. #History

24 September 1890: The Church of Jesus Christ of Latter-day Saints ('Mormons') officially renounced polygamy. #History

24 September 1877: The Battle of Shiroyama resulted in a decisive victory for the Imperial Japanese Army over the Satsuma Rebellion #History