Siege of Rome: King Vitiges attempts to assault the northern and eastern city walls, but is repulsed at the Praenestine Gate, known as the Vivarium, by the defenders under the Byzantine generals Bessas and Peranius.

Siege of Rome (537-38)VitigesAurelian WallsPorta MaggioreVivarium (Rome)

Emperor Heraclius returns the True Cross, one of the holiest Christian relics, to Jerusalem.

HeracliusTrue CrossRelicJerusalem

Battle of Vincy between Charles Martel and Ragenfrid.

Battle of VincyCharles MartelRagenfrid

Annulment of the marriage of King Louis VII of France and Queen Eleanor of Aquitaine.

Louis VII of FranceEleanor of Aquitaine

Emperor Antoku accedes to the throne of Japan.

Emperor Antoku

In Oxford, Archbishop of Canterbury Thomas Cranmer is burned at the stake.

OxfordArchbishop of CanterburyThomas CranmerExecution by burning

A fire in New Orleans leaves most of the town in ruins.

Great New Orleans Fire (1788)

With the church leadership driven out of Rome during an armed conflict, Pius VII is crowned Pope in Venice with a temporary papal tiara made of papier-mâché.

Papal StatesRomePope Pius VIIPapal coronationVenice

The Battle of Alexandria is fought between British and French forces near the ruins of Nicopolis in Egypt.

Battle of AlexandriaUnited Kingdom of Great Britain and IrelandFrench First RepublicNicopolisEgypt

Code Napoléon is adopted as French civil law.

Napoleonic CodeCivil law (legal system)

Napoleonic Wars: Austrian forces repel French troops in the Battle of Arcis-sur-Aube.

Napoleonic WarsAustrian EmpireFirst French EmpireBattle of Arcis-sur-Aube

The Bahá'í calendar begins. This is the first day of the first year of the Bahá'í calendar. It is annually celebrated by members of the Bahá'í Faith as the Bahá'í New Year or Náw-Rúz.

Bahá'í calendarBahá'í FaithBahá'í Naw-Rúz

Alexander Stephens gives the Cornerstone Speech.

Alexander StephensCornerstone Speech

Otto von Bismarck is appointed Chancellor of the German Empire.

Otto von BismarckChancellor of the German Empire

Journalist Henry Morton Stanley begins his trek to find the missionary and explorer David Livingstone.

Henry Morton StanleyDavid Livingstone

Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.

Great Dayton FloodDayton, Ohio

World War I: The first phase of the German Spring Offensive, Operation Michael, begins.

World War ISpring OffensiveOperation Michael

The Hungarian Soviet Republic is established becoming the first Communist government to be formed in Europe after the October Revolution in Russia.

Hungarian Soviet RepublicCommunistOctober RevolutionRussian Empire

The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.

New Economic PolicyBolshevikWar communism

The Butler Act prohibits the teaching of human evolution in Tennessee.

Butler ActHuman evolutionTennessee

Syngman Rhee is removed from office after being impeached as the President of the Provisional Government of the Republic of Korea.

Syngman RheeImpeachmentProvisional Government of the Republic of Korea

Charles Lindbergh is presented with the Medal of Honor for the first solo trans-Atlantic flight.

Charles LindberghMedal of Honor

Shah of Iran Reza Shah Pahlavi formally asks the international community to call Persia by its native name, Iran.

Shah of IranRezā ShāhPersiaName of Iran

Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.

Ponce massacrePonce, Puerto RicoBlanton C. Winship

Wehrmacht officer Rudolf von Gersdorff plots to assassinate Adolf Hitler by using a suicide bomb, but the plan falls through; von Gersdorff is able to defuse the bomb in time and avoid suspicion.

WehrmachtRudolf Christoph Freiherr von GersdorffAdolf Hitler

World War II: British troops liberate Mandalay, Burma.

World War IIMandalayBurma

World War II: Operation Carthage: Royal Air Force planes bomb Gestapo headquarters in Copenhagen, Denmark. They also accidentally hit a school, killing 125 civilians.

Operation CarthageRoyal Air ForceGestapoCopenhagen

World War II: Bulgaria and the Soviet Union successfully complete their defense of the north bank of the Drava River as the Battle of the Transdanubian Hills concludes.

Kingdom of BulgariaSoviet UnionDravaBattle of the Transdanubian Hills

The Los Angeles Rams sign Kenny Washington, making him the first African American player in the American football since 1933.

Los Angeles RamsKenny Washington (American football)African AmericanAmerican football

Alan Freed presents the Moondog Coronation Ball, the first rock and roll concert, in Cleveland, Ohio.

Alan FreedMoondog Coronation BallRock and rollCleveland, Ohio