Likely date of the Battle of Megiddo between Thutmose III and a large Canaanite coalition under the King of Kadesh, the first battle to have been recorded in what is accepted as relatively reliable detail.

Battle of Megiddo (15th century BC)Thutmose IIICanaanKadesh (biblical)

Dušan the Mighty is proclaimed Emperor, with the Serbian Empire occupying much of the Balkans.

Dušan the MightySerbian EmpireBalkans

The Revolt of the Comuneros begins in Spain against the rule of Charles V.

Revolt of the ComunerosCharles V, Holy Roman Emperor

Spanish conquistador Hernando de Lerma founds the settlement of Salta, Argentina.

ConquistadorHernando de LermaSaltaArgentina

The Battle of Culloden is fought between the French-supported Jacobites and the British Hanoverian forces commanded by William Augustus, Duke of Cumberland, in Scotland. After the battle many highland traditions were banned and the Highlands of Scotland were cleared of inhabitants.

Battle of CullodenJacobitismHouse of HanoverPrince William, Duke of Cumberland

The University of Münster in Münster, North Rhine-Westphalia, Germany is founded.

University of MünsterMünsterNorth Rhine-Westphalia

Napoleonic Wars: The Battle of Mount Tabor: Napoleon drives Ottoman Turks across the River Jordan near Acre.

Napoleonic WarsBattle of Mount Tabor (1799)NapoleonOttoman TurksRiver Jordan

The United States Senate ratifies the Rush-Bagot Treaty, establishing the border with Canada.

United States SenateRush-Bagot Treaty

The accidental shooting of a Māori by an English sailor results in the opening of the Wanganui Campaign of the New Zealand land wars.

Māori peopleWanganui CampaignNew Zealand land wars

The first passenger rail opens in India, from Bori Bunder, Bombay to Thane.

Bori BunderBombayThane

The Wernerian Natural History Society, a former Scottish learned society, is wound up.

Wernerian Natural History SocietyLearned society

American Civil War: Battle at Lee's Mills in Virginia.

American Civil WarBattle at Lee's MillsVirginia

American Civil War: The District of Columbia Compensated Emancipation Act, a bill ending slavery in the District of Columbia, becomes law.

District of Columbia Compensated Emancipation ActSlavery in the United StatesDistrict of Columbia

American Civil War: During the Siege of Vicksburg, gunboats commanded by Acting Rear Admiral David Dixon Porter run downriver past Confederate artillery batteries at Vicksburg.

Siege of VicksburgGunboatDavid Dixon PorterArtillery battery

In Dodge City, Kansas, Bat Masterson fights his last gun battle.

Dodge City, KansasBat Masterson

Natural Bridges National Monument is established in Utah.

Natural Bridges National MonumentUtah

The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.

Ice hockeyMatthews Arena

Harriet Quimby becomes the first woman to fly an airplane across the English Channel.

Harriet QuimbyAircraftEnglish Channel

Vladimir Lenin returns to Petrograd, Russia from exile in Switzerland.

Vladimir LeninSaint PetersburgRussian Provisional Government

Mohandas Gandhi organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the Jallianwala Bagh massacre by the British colonial troops three days earlier.

Mahatma GandhiJallianwala Bagh massacre

Polish-Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.

Polish-Soviet WarPolish Land ForcesVilna offensiveVilniusLithuania

The Treaty of Rapallo, pursuant to which Germany and the Soviet Union re-establish diplomatic relations, is signed.

Treaty of Rapallo (1922)Weimar RepublicSoviet UnionDiplomatic relations

During the Communist St Nedelya Church assault in Sofia, Bulgaria, 150 are killed and 500 are wounded.

CommunistSt Nedelya Church assaultSofiaKingdom of Bulgaria

World War II: The Italian-German Tarigo convoy is attacked and destroyed by British ships.

World War IIBattle of the Tarigo Convoy

World War II: The Nazi-affiliated Ustaše is put in charge of the Independent State of Croatia by the Axis powers after Operation 25 is effected.

UstašeIndependent State of CroatiaAxis powersInvasion of Yugoslavia

Albert Hofmann accidentally discovers the hallucinogenic effects of the research drug LSD. He intentionally takes the drug three days later on April 19.

Albert HofmannLSDApril 19

World War II: Allied forces start bombing Belgrade, killing about 1,100 people. This bombing fell on the Orthodox Christian Easter.

Belgrade

World War II: The Red Army begins the final assault on German forces around Berlin, with nearly one million troops fighting in the Battle of the Seelow Heights.

Red ArmyBattle of BerlinNazi GermanyBattle of the Seelow Heights

The United States Army liberates Nazi Sonderlager (high security) prisoner-of-war camp Oflag IV-C (better known as Colditz).

United States ArmyPrisoner-of-war campOflag IV-CColditz Castle

Masada, a Jewish fortress, falls to the Romans after several months of siege, ending the Great Jewish Revolt.

MasadaRoman EmpireFirst Jewish-Roman War