The Mesoamerican Long Count calendar, used by several pre-Columbian Mesoamerican civilizations, notably the Maya, begins.

Mesoamerican Long Count calendarPre-Columbian eraMesoamericaMaya civilization

Traditional date of the defeat of Bel by Hayk, progenitor and founder of the Armenian nation.

Bel (mythology)HaykArmenians

The south-western part of Dacia (modern Romania) becomes a Roman province: Roman Dacia.

DaciaRomaniaRoman provinceRoman Dacia

Claudius Silvanus, accused of treason, proclaims himself Roman Emperor against Constantius II.

Claudius SilvanusRoman emperorConstantius II

Battle of Adda: The Goths under Theodoric the Great and his ally Alaric II defeat the forces of Odoacer on the Adda River, near Milan.

GothsTheodoric the GreatAlaric IIOdoacerAdda (river)

Wars of Scottish Independence: Battle of Dupplin Moor: Scots under Domhnall II, Earl of Mar are routed by Edward Balliol.

Wars of Scottish IndependenceBattle of Dupplin MoorDomhnall II, Earl of MarEdward Balliol

The Battle of Otlukbeli: Mehmed the Conqueror of the Ottoman Empire decisively defeats Uzun Hassan of Aq Qoyunlu.

Battle of OtlukbeliMehmed the ConquerorOttoman EmpireUzun HassanAq Qoyunlu

Franco-Dutch War: Forces of the Holy Roman Empire defeat the French in the Battle of Konzer Brücke.

Franco-Dutch WarHoly Roman EmpireFranceBattle of Konzer Brücke

Captain Francis Light establishes the British colony of Penang in Malaysia.

Francis LightPenangMalaysia

Francis II assumes the title of first Emperor of Austria.

Francis II, Holy Roman EmperorEmperor of Austria

Peninsular War: French troops engage British-Portuguese forces in the Battle of Majadahonda.

Peninsular WarUnited KingdomPortugalBattle of Majadahonda

In Colombia, Juan del Corral declares the independence of Antioquia.

ColombiaJuan del Corral (politician) (page does not exist)Antioquia

The Eiger in the Bernese Alps is ascended for the first time by Charles Barrington accompanied by Christian Almer and Peter Bohren.

EigerBernese AlpsCharles Barrington (mountaineer)Christian Almer

Spanish-American War: American troops enter the city of Mayagüez, Puerto Rico.

Spanish-American WarMayagüez, Puerto Rico

World War I: The Battle of Amiens ends.

World War IBattle of Amiens (1918)

The Latvian-Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.

Latvian-Soviet Peace TreatyRussiaLatviaLatvian War of Independence

Babe Ruth becomes the first baseball player to hit 500 home runs in his career with a home run at League Park in Cleveland, Ohio.

Babe RuthBaseball500 home run clubHome runLeague Park

The first civilian prisoners arrive at the Federal prison on Alcatraz Island.

Alcatraz Island

Actress Hedy Lamarr and composer George Antheil receive a patent for a Frequency-hopping spread spectrum communication system that later became the basis for modern technologies in wireless telephones and Wi-Fi.

Hedy LamarrGeorge AntheilFrequency-hopping spread spectrumWi-Fi

Poles in Kraków engage in a pogrom against Jews in the city, killing one and wounding five.

KrakówKraków pogrom

Hussein bin Talal is proclaimed King of Jordan.

Hussein of JordanJordan

Sheremetyevo International Airport, the second-largest airport in Russia, opens.

Sheremetyevo International Airport

Chad declares independence.

Chad

The former Portuguese territories in India of Dadra and Nagar Haveli are merged to create the Union Territory Dadra and Nagar Haveli.

IndiaDadra DNHNagar Haveli DNHUnion TerritoryDadra and Nagar Haveli

Vostok 3 launches from the Baikonur Cosmodrome and cosmonaut Andrian Nikolayev becomes the first person to float in microgravity.

Vostok 3Baikonur CosmodromeAndrian NikolayevMicro-g environment

Race riots (the Watts Riots) begin in the Watts area of Los Angeles, California.

Watts RiotsWatts, Los AngelesLos Angeles

The Apollo 11 astronauts are released from a three-week quarantine following their liftoff from the moon.[1]

Apollo 11Quarantine

Vietnam War: The last United States ground combat unit leaves South Vietnam.

Vietnam WarSouth Vietnam

East Timor: Governor Mário Lemos Pires of Portuguese Timor abandons the capital Dili, following a coup by the Timorese Democratic Union (UDT) and the outbreak of civil war between UDT and Fretilin.

East TimorMário Lemos PiresPortuguese TimorDiliTimorese Democratic Union

Two Aeroflot Tupolev Tu-134s collide over the Ukrainian city of Dniprodzerzhynsk and crash, killing all 178 aboard both airliners.

AeroflotTupolev Tu-1341979 Dniprodzerzhynsk mid-air collisionUkraineKamianske