Darius I of Persia kills the Magian usurper Gaumata, securing his hold as king of the Persian Empire.

Darius IGaumataAchaemenid Empire

Pompey the Great celebrates his third triumph for victories over the pirates and the end of the Mithridatic Wars on his 45th birthday.

PompeyRoman triumphPirateMithridatic Wars

Frederick II, Holy Roman Emperor, is excommunicated by Pope Gregory IX for his failure to participate in the Crusades.

Frederick II, Holy Roman EmperorExcommunicationPope Gregory IXCrusades

Battle of Auray: English forces defeat the French in Brittany; end of the War of the Breton Succession.

Battle of AurayBrittanyWar of the Breton Succession

Tegucigalpa, capital city of Honduras, is claimed by the Spaniards.

Tegucigalpa

Henry Robinson opens his Office of Addresses and Encounters in Threadneedle Street, London.

Henry Robinson (writer)Threadneedle Street

An earthquake strikes Antigua Guatemala, destroying much of the city's architecture and making authorities consider moving the capital to a different city.

1717 Guatemala earthquakeAntigua Guatemala

The United States Department of War first establishes a regular army with a strength of several hundred men.

United States Department of WarUnited States Army

The 1st United States Congress adjourns.

1st United States Congress

The Metropolitan Police of London, later also known as the Met, is founded.

Metropolitan Police Service

Battle of Pákozd: Stalemate between Hungarian and Croatian forces at Pákozd; the first battle of the Hungarian Revolution of 1848.

Battle of PákozdCroatiaPákozdHungarian Revolution of 1848

The papal bull Universalis Ecclesiae restores the Roman Catholic hierarchy in England and Wales.

Papal bullUniversalis EcclesiaeRoman Catholic

Iloilo was opened to world trade by Queen Isabella II of Spain.[1][2]

Port of IloiloInternational tradeIsabel II of SpainMonarchy of Spain

American Civil War: The Battle of Chaffin's Farm is fought.

American Civil WarBattle of Chaffin's Farm

The Treaty of Lisbon defines the boundaries between Spain and Portugal and abolishes the Couto Misto microstate.

Treaty of Lisbon (1864)SpainPortugalCouto MistoMicrostate

The first practical public electric tramway in the world is opened in Blackpool, England.

Blackpool tramwayTramBlackpool

The cornerstone is laid at Washington National Cathedral in the U.S. capital.

Washington National Cathedral

Italy declares war on the Ottoman Empire.

Italo-Turkish WarOttoman Empire

World War I: Bulgaria signs the Armistice of Salonica. The Hindenburg Line is broken by an Allied attack. Germany's Supreme Army Command tells the Kaiser and the Chancellor to open negotiations for an armistice.

World War IArmistice of SalonicaBattle of St. Quentin CanalOberste HeeresleitungArmistice of 11 November 1918

The British Mandate for Palestine takes effect, creating Mandatory Palestine.

British Mandate for Palestine (legal instrument)Mandatory Palestine

The French Mandate for Syria and the Lebanon takes effect.

French Mandate for Syria and the Lebanon

Chaco War: Last day of the Battle of Boquerón between Paraguay and Bolivia.

Chaco WarBattle of Boquerón (1932)ParaguayBolivia

The Munich Agreement between Germany, the United Kingdom, France and Italy settles the Sudetenland dispute in Germany's favor. The Soviet Union and Czechoslovakia are not invited.

Munich AgreementNazi GermanySudetenlandSoviet UnionCzechoslovakia

Two Avro Ansons of No. 2 Service Flying Training School RAAF collide in mid-air over Brocklesby, New South Wales, Australia, remain locked together after colliding, and then land safely.

Avro AnsonNo. 2 Service Flying Training School RAAF1940 Brocklesby mid-air collisionBrocklesby, New South Wales

World War II: Holocaust in Kiev, Soviet Union: German Einsatzgruppe C begins the Babi Yar massacre, according to the Einsatzgruppen operational situation report.

World War IIThe HolocaustKievSoviet UnionEinsatzgruppe C

The Communist Party of China writes the Common Programme for the future People's Republic of China.

Communist Party of China

The convention establishing CERN (the European Organization for Nuclear Research) is signed.

CERN

Twenty MCi (740 petabecquerels) of radioactive material is released in an explosion at the Soviet Mayak nuclear plant at Chelyabinsk.

PetabecquerelKyshtym disasterSoviet UnionMayakChelyabinsk

Nikita Khrushchev, leader of Soviet Union, disrupts a meeting of the United Nations General Assembly with a number of angry outbursts.

Nikita KhrushchevSoviet UnionUnited Nations General Assembly

Oman joins the Arab League.

OmanArab League