- 48 BC – Pompey is assassinated by order of King Ptolemy XIII upon arriving in Egypt.
- 235 – Pope Pontian resigns. He is exiled to the mines of Sardinia, along with Hippolytus of Rome.
- 351 – Constantius II defeats the usurper Magnentius.
- 365 – Roman usurper Procopius bribes two legions passing by Constantinople, and proclaims himself emperor.
- 935 – Duke Wenceslaus I of Bohemia is murdered by a group of nobles led by his brother Boleslaus I, who succeeds him.
- 995 – Boleslaus II, Duke of Bohemia, kills most members of the rival Slavník dynasty.
- 1066 – William the Conqueror lands in England, beginning the Norman conquest.
- 1106 – King Henry I of England defeats his brother Robert Curthose at the Battle of Tinchebray.
- 1238 – King James I of Aragon conquers Valencia from the Moors. Shortly thereafter, he proclaims himself king of Valencia.
- 1322 – Louis IV, Holy Roman Emperor, defeats Frederick I of Austria in the Battle of Mühldorf.
- 1538 – Ottoman–Venetian War: The Ottoman Navy scores a decisive victory over a Holy League fleet in the Battle of Preveza.
- 1542 – Juan Rodríguez Cabrillo of Portugal arrives at what is now San Diego, California.
- 1779 – American Revolution: Samuel Huntington is elected President of the Continental Congress, succeeding John Jay.
- 1781 – American Revolution: American forces backed by a French fleet begin the siege of Yorktown.
- 1787 – The Congress of the Confederation votes to send the newly written United States Constitution to the state legislatures for approval.
- 1821 – The Declaration of Independence of the Mexican Empire is drafted. It will be made public on 13 October.
- 1844 – Oscar I of Sweden–Norway is crowned king of Sweden.
- 1867 – Toronto becomes the capital of Ontario, having also been the capital of Ontario’s predecessors since 1796.
- 1868 – The Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
- 1871 – The Brazilian Parliament passes a law that frees all children thereafter born to slaves, and all government-owned slaves.
- 1889 – The General Conference on Weights and Measures (CGPM) defines the length of a meter.
- 1892 – The first night game for American football takes place in a contest between Wyoming Seminary and Mansfield State Normal.
- 1893 – Foundation of the Portuguese football club FC Porto.
- 1901 – Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
- 1912 – The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
- 1912 – Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
- 1918 – World War I: The Fifth Battle of Ypres begins.
- 1919 – Race riots begin in Omaha, Nebraska.
- 1924 – The first aerial circumnavigation is completed by a team from the US Army.
- 1928 – Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
- 1939 – World War II: Nazi Germany and the Soviet Union agree on a division of Poland.
- 1939 – World War II: The siege of Warsaw comes to an end.
- 1941 – World War II: The Drama uprising against the Bulgarian occupation in northern Greece begins.
- 1941 – Ted Williams achieves a .406 batting average for the season, and becomes the last major league baseball player to bat .400 or better.
- 1944 – World War II: Soviet Army troops liberate Klooga concentration camp in Estonia.
- 1951 – CBS makes the first color televisions available for sale to the general public, but the product is discontinued less than a month later.
- 1961 – A military coup in Damascus effectively ends the United Arab Republic, the union between Egypt and Syria.
- 1970 – Egyptian President Gamal Abdel Nasser dies of a heart attack in Cairo.
- 1971 – The Parliament of the UK passes the Misuse of Drugs Act 1971, banning the medicinal use of cannabis.
- 1973 – The ITT Building in New York City is bombed in protest at ITT’s alleged involvement in the coup d’état in Chile.
- 1975 – The Spaghetti House siege, in which nine people are taken hostage, takes place in London.
- 1986 – The Democratic Progressive Party becomes the first opposition party in Taiwan.
- 1992 – A Pakistan International Airlines flight crashes into a hill in Nepal, killing all 167 passengers and crew.
- 1994 – The cruise ferry MS Estonia sinks in the Baltic Sea, killing 852 people.
- 1995 – Bob Denard and a group of mercenaries take the islands of the Comoros in a coup.
- 1995 – Israeli Prime Minister Yitzhak Rabin and PLO Chairman Yasser Arafat sign the Interim Agreement on the West Bank and the Gaza Strip.
- 2000 – Al-Aqsa Intifada: Ariel Sharon visits Al-Aqsa Mosque known to Jews as the Temple Mount in Jerusalem.
- 2008 – Falcon 1 becomes the first privately developed liquid-fuel ground-launched vehicle to put a payload into orbit.
- 2009 – The military junta leading Guinea attacks a protest rally, killing or wounding 1400 people.
- 2012 – Somali and African Union forces launch a coordinated assault on the Somali port of Kismayo to take back the city from al-Shabaab militants.
- 2014 – The 2014 Hong Kong protests begin in response to restrictive political reforms imposed by the NPC in Beijing.
- 2016 – The 2016 South Australian blackout occurs, lasting up to three days in some areas.
- 2018 – The 7.5 Mw 2018 Sulawesi earthquake, which triggered a large tsunami, leaves 4,340 dead and 10,679 injured.
- 2018 – On the occasion of the 100th anniversary of the end of the First World War, the international project Tree of Peace was established (September, 28). One of the trees was planted personally by Zuzana Čaputová, President of the Slovak Republic.[1][2]
-Source: wikipedia