The Roman usurper Nepotianus, of the Constantinian dynasty, proclaims himself Roman emperor, entering Rome at the head of a group of gladiators.

Roman usurperNepotianusConstantinian dynastyRoman emperorGladiator

The Byzantine emperor Philippicus is blinded, deposed and sent into exile by conspirators of the Opsikion army in Thrace. He is succeeded by Anastasios II, who begins the reorganization of the Byzantine army.

Byzantine EmpirePhilippikos BardanesPolitical mutilation in Byzantine cultureExileOpsikion

The French scholar Peter Abelard is found guilty of heresy.

Peter AbelardHeresy in Christianity

The Treaty of Novgorod delineates borders between Russia and Norway in Finnmark.

Treaty of Novgorod (1326)Finnmark

Hernando de Soto claims Florida for Spain.

Hernando de SotoFlorida

Samuel de Champlain completes his third voyage to New France at Tadoussac, Quebec.

Samuel de ChamplainNew FranceTadoussac, Quebec

The Dutch West India Company receives a charter for New Netherland.

Dutch West India CompanyNew Netherland

Pope Alexander VII appoints François de Laval vicar apostolic in New France.

Pope Alexander VIIFrançois de LavalApostolic vicariate

James Stuart, Duke of York (later to become King James II of England), defeats the Dutch fleet off the coast of Lowestoft.

James II of EnglandNaval fleetLowestoft

Jack Jouett begins his midnight ride to warn Thomas Jefferson and the Virginia legislature of an impending raid by Banastre Tarleton.

Jack JouettThomas JeffersonBanastre Tarleton

In Humen, China, Lin Tse-hsü destroys 1.2 million kg of opium confiscated from British merchants, providing Britain with a casus belli to open hostilities, resulting in the First Opium War.

Humen (town)Lin Tse-hsüFirst Opium War

American Civil War: Battle of Philippi (also called the Philippi Races): Union forces rout Confederate troops in Barbour County, Virginia, now West Virginia.

American Civil WarBattle of Philippi (West Virginia)Union (American Civil War)Confederate States of AmericaBarbour County, West Virginia

American Civil War: Battle of Cold Harbor: Union forces attack Confederate troops in Hanover County, Virginia.

Battle of Cold HarborHanover County, Virginia

The Fenians are driven out of Fort Erie, Ontario back into the United States.

FenianFort Erie, Ontario

In the last military engagement fought on Canadian soil, the Cree leader, Big Bear, escapes the North-West Mounted Police.

CreeBig BearNorth-West Mounted Police

The first long-distance electric power transmission line in the United States is completed, running 14 miles (23 km) between a generator at Willamette Falls and downtown Portland, Oregon.

Electric power transmissionWillamette RiverPortland, Oregon

The National Defense Act is signed into law, increasing the size of the United States National Guard by 450,000 men.

National Defense ActUnited States National Guard

One thousand unemployed Canadian workers board freight cars in Vancouver, British Columbia, beginning a protest trek to Ottawa.

Vancouver, British ColumbiaOttawa

The Duke of Windsor marries Wallis Simpson.

Edward VIIIWallis Simpson

World War II: The Luftwaffe bombs Paris.

World War IILuftwaffe

World War II: The Battle of Dunkirk ends with a German victory and with Allied forces in full retreat.

Battle of DunkirkNazi GermanyAllies of World War II

Franz Rademacher proposes plans to make Madagascar the "Jewish homeland", an idea that had first been considered by 19th century journalist Theodor Herzl.

Franz RademacherMadagascar PlanMadagascarTheodor Herzl

World War II: The Wehrmacht razes the Greek village of Kandanos to the ground and murders 180 of its inhabitants.

WehrmachtRazing of KandanosKandanos

World War II: Japan begins the Aleutian Islands Campaign by bombing Unalaska Island.

Empire of JapanAleutian Islands CampaignBattle of Dutch HarborUnalaska Island

In Los Angeles, California, white U.S. Navy sailors and Marines clash with Latino youths in the Zoot Suit Riots.

Los Angeles, CaliforniaU.S. NavyUnited States Marine CorpsZoot Suit Riots

At Paris Orly Airport, Air France Flight 007 overruns the runway and explodes when the crew attempts to abort takeoff, killing 130.

Orly AirportAir France Flight 007

The Buddhist crisis: Soldiers of the Army of the Republic of Vietnam attack protesting Buddhists in Huế, South Vietnam, with liquid chemicals from tear-gas grenades, causing 67 people to be hospitalised for blistering of the skin and respiratory ailments.

Buddhist crisisArmy of the Republic of VietnamHuế chemical attacksHuếSouth Vietnam

The launch of Gemini 4, the first multi-day space mission by a NASA crew. Ed White, a crew member, performs the first American spacewalk.

Gemini 4NASAEdward Higgins WhiteExtravehicular activity

Melbourne-Evans collision: off the coast of South Vietnam, the Australian aircraft carrier HMAS Melbourne cuts the U.S. Navy destroyer USS Frank E. Evans in half.

Melbourne-Evans collisionSouth VietnamHMAS Melbourne (R21)USS Frank E. Evans (DD-754)

A Soviet supersonic Tupolev Tu-144 crashes near Goussainville, France, killing 14, the first crash of a supersonic passenger aircraft.

Soviet UnionSupersonicTupolev Tu-1441973 Paris Air Show crashGoussainville, Val-d'Oise