Pope Constantine succeeds Pope Sisinnius as the 88th pope.

Pope ConstantinePope SisinniusPope

Theodosius III resigns the throne to the Byzantine Empire to enter the clergy.

Theodosius IIIByzantine Empire

Romanos Lekapenos seizes the Boukoleon Palace in Constantinople and becomes regent of the Byzantine emperor Constantine VII.

Romanos I LekapenosBoukoleon PalaceConstantinopleRegentConstantine VII

Fatimid caliph al-Hakim bi-Amr Allah assassinates the eunuch chief minister Barjawan and assumes control of the government.

FatimidAl-Hakim bi-Amr AllahBarjawan

Richard I is wounded by a crossbow bolt while fighting France, leading to his death on April 6.

Richard I of EnglandFranceApril 6

Robert the Bruce becomes King of Scots (Scotland).

Robert the BruceScotland

The Council of Pisa opens.

Council of Pisa

The city of Valencia is founded in present-day Venezuela.

Valencia, CaraboboVenezuela

Jerome Savage takes out a sub-lease to start the Newington Butts Theatre outside London.

Newington Butts TheatreLondon

Sir Walter Raleigh is granted a patent to colonize Virginia.

Walter RaleighVirginia

Saturn's largest moon, Titan, is discovered by Christiaan Huygens.

SaturnTitan (moon)Christiaan Huygens

The Treaty of Amiens is signed as a "Definitive Treaty of Peace" between France and the United Kingdom.

Treaty of Amiens

The Slave Trade Act becomes law, abolishing the slave trade in the British Empire.

Slave Trade Act 1807Slave tradeBritish Empire

The Swansea and Mumbles Railway, then known as the Oystermouth Railway, becomes the first passenger-carrying railway in the world.

Swansea and Mumbles Railway

Percy Bysshe Shelley is expelled from the University of Oxford for publishing the pamphlet The Necessity of Atheism.

Percy Bysshe ShelleyUniversity of OxfordThe Necessity of Atheism

Traditional date of the start of the Greek War of Independence. The war had actually begun on 23 February 1821 (Julian calendar).

Greek War of Independence23 FebruaryJulian calendar

American Civil War: In Virginia, Confederate forces temporarily capture Fort Stedman from the Union.

American Civil WarVirginiaConfederate States of AmericaBattle of Fort StedmanUnion (American Civil War)

Coxey's Army, the first significant American protest march, departs Massillon, Ohio for Washington, D.C.

Coxey's ArmyMassillon, Ohio

In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.

Triangle Shirtwaist Factory fire

The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.

Georgian Orthodox ChurchAutocephalyImperial Russia

The Belarusian People's Republic is established.

Belarusian People's Republic

On the anniversary of Greek Independence, Alexandros Papanastasiou proclaims the Second Hellenic Republic.

Greek War of IndependenceAlexandros PapanastasiouSecond Hellenic Republic

The Scottsboro Boys are arrested in Alabama and charged with rape.

Scottsboro BoysAlabama

The Kingdom of Yugoslavia joins the Axis powers with the signing of the Tripartite Pact.

Kingdom of YugoslaviaAxis powersTripartite Pact

An explosion in a coal mine in Centralia, Illinois kills 111.

1947 Centralia mine disasterCentralia, Illinois

The first successful tornado forecast predicts that a tornado will strike Tinker Air Force Base, Oklahoma.

Tornado warning1948 Tinker Air Force Base tornadoesOklahoma

More than 92,000 kulaks are suddenly deported from the Baltic states to Siberia.

KulakOperation PriboiBaltic statesSiberia

United States Customs seizes copies of Allen Ginsberg's poem "Howl" on obscenity grounds.

United States CustomsAllen GinsbergHowl

The European Economic Community is established with West Germany, France, Italy, Belgium, Netherlands and Luxembourg as the first members.

European Economic CommunityLuxembourg

Civil rights activists led by Martin Luther King Jr. successfully complete their 4-day 50-mile march from Selma to the capitol in Montgomery, Alabama.

Civil Rights MovementMartin Luther King Jr.Selma to Montgomery marchesSelma, AlabamaMontgomery, Alabama