Galerius publishes his edict that begins the persecution of Christians in his portion of the Roman Empire.

GaleriusDiocletianic PersecutionRoman Empire

King Huneric removes the Christian bishops from their offices and banished some to Corsica. A few are martyred, including former proconsul Victorian along with Frumentius and other merchants. They are killed at Hadrumetum after refusing to become Arians.

HunericBishopsCorsicaMartyrVictorian, Frumentius and Companions

Battle of Roslin, of the First War of Scottish Independence.

Battle of RoslinFirst War of Scottish Independence

King Charles III of Naples and Hungary is assassinated at Buda.

Charles III of NaplesBuda

A Spanish-Austrian army defeats a French army at the Battle of Pavia.

House of HabsburgBattle of Pavia

Treaty of Nagyvárad between Ferdinand I and John Zápolya.

Treaty of NagyváradFerdinand I, Holy Roman EmperorJohn Zápolya

With the papal bull Inter gravissimas, Pope Gregory XIII announces the Gregorian calendar.

Papal bullInter gravissimasPope Gregory XIIIGregorian calendar

L'Orfeo by Claudio Monteverdi, one of the first works recognized as an opera, receives its première performance.

L'OrfeoClaudio MonteverdiOpera

The London première of Rinaldo by George Frideric Handel, the first Italian opera written for the London stage.

Rinaldo (opera)George Frideric HandelOpera

Battle of Karnal: The army of Iranian ruler Nader Shah defeats the forces of the Mughal emperor of India, Muhammad Shah.

Battle of KarnalHistory of IranNader ShahMughal EmpireHistory of India

In Marbury v. Madison, the Supreme Court of the United States establishes the principle of judicial review.

Marbury v. MadisonSupreme Court of the United StatesJudicial review

London's Drury Lane Theatre burns to the ground, leaving owner Richard Brinsley Sheridan destitute.

Theatre Royal, Drury LaneRichard Brinsley Sheridan

Final stage of the Mexican War of Independence from Spain with Plan of Iguala.

Mexican War of IndependencePlan of Iguala

The first Swaminarayan temple in the world, Shri Swaminarayan Mandir, Ahmedabad, is inaugurated.

Swaminarayan templeShri Swaminarayan Mandir, Ahmedabad

The signing of the Treaty of Yandabo marks the end of the First Anglo-Burmese War.

Treaty of YandaboFirst Anglo-Burmese War

The Treaty of Dancing Rabbit Creek, the first removal treaty in accordance with the Indian Removal Act, is proclaimed. The Choctaws in Mississippi cede land east of the river in exchange for payment and land in the West.

Treaty of Dancing Rabbit CreekIndian Removal ActChoctawMississippi

King Louis-Philippe of France abdicates the throne.

List of French monarchsLouis-Philippe of France

A Penny Red with perforations was the first perforated postage stamp to be officially issued for distribution.

Penny RedPostage stamp

Arizona is organized as a United States territory.

ArizonaPolitical divisions of the United States

Andrew Johnson becomes the first President of the United States to be impeached by the United States House of Representatives. He is later acquitted in the Senate.

Andrew JohnsonPresident of the United StatesImpeachment of Andrew JohnsonUnited States House of RepresentativesUnited States Senate

The SS Gothenburg hits the Great Barrier Reef and sinks off the Australian east coast, killing approximately 100, including a number of high-profile civil servants and dignitaries.

SS GothenburgGreat Barrier Reef

China and Russia sign the Sino-Russian Ili Treaty.

Qing dynastyRussian EmpireTreaty of Saint Petersburg (1881)

Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish-American War in 1898.

RevolutionSantiago de CubaCuban War of IndependenceSpanish-American War

The Governor-General of Korea establishes a clinic called Jahyewon in Sorokdo to segregate Hansen's disease patients.

Governor-General of KoreaSorokdoHansen's disease

World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.

World War IWalter Hines PageZimmermann TelegramNew MexicoTexas

Estonian Declaration of Independence.

Estonian Declaration of Independence

The Nazi Party is founded.

Nazi Party

Nancy Astor became the first woman to speak in the House of Commons of the United Kingdom following her election as a Member of Parliament (MP) three months earlier.

Nancy Astor, Viscountess AstorHouse of Commons of the United Kingdom

The Battle of Los Angeles: A false alarm led to an anti-aircraft barrage that lasted into the early hours of February 25.

Battle of Los Angeles

An order-in-council passed under the Defence of Canada Regulations of the War Measures Act gives the Canadian federal government the power to intern all "persons of Japanese racial origin".

Defence of Canada RegulationsWar Measures ActGovernment of CanadaJapanese Canadian internment