Remistus, Roman general (magister militum), is besieged by a Gothic force at Ravenna and later executed in the Palace in Classis, outside the city.

RemistusMagister militumSiegeGothsRavenna

Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as "King of Galicia".

Pedro Fróilaz de TrabaDiego GelmírezAlfonso VII of León and CastileKingdom of Galicia

The Battle of Myriokephalon is the last attempt by the Byzantine Empire to recover Anatolia from the Seljuk Turks.

Battle of MyriokephalonByzantine EmpireAnatoliaSeljuk Turks

Louis the Great's daughter, Mary, is crowned "king" of Hungary.

Louis the GreatMary, Queen of HungaryKing of Hungary

A Polish army under Piotr Dunin decisively defeats the Teutonic Order at the Battle of Świecino.

Piotr DuninTeutonic OrderBattle of Świecino

The Treaty of Bergerac is signed between Henry III of France and the Huguenots.

Treaty of BergeracHenry III of FranceHuguenot

The Ottoman Empire defeats the Polish-Lithuanian Commonwealth during the Battle of Cecora.

Ottoman EmpirePolish-Lithuanian CommonwealthBattle of Cecora (1620)

The city of Boston, Massachusetts is founded.

BostonMassachusetts

Sweden wins a major victory at the Battle of Breitenfeld against the Holy Roman Empire during the Thirty Years' War.

Battle of Breitenfeld (1631)Holy Roman EmpireThirty Years' War

The Battle of Vilanova is fought between Portugal and Spain during the Portuguese Restoration War.

Battle of VilanovaPortuguese Restoration War

Antonie van Leeuwenhoek writes a letter to the Royal Society describing "animalcules": the first known description of protozoa.

Antonie van LeeuwenhoekRoyal SocietyAnimalculeProtozoa

American Revolutionary War: The Invasion of Canada begins with the Siege of Fort St. Jean.

American Revolutionary WarInvasion of Canada (1775)Siege of Fort St. Jean

The Presidio of San Francisco is founded in New Spain.

Presidio of San FranciscoNew Spain

The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe (the Lenape or Delaware Indians).

Treaty of Fort PittNative Americans in the United StatesLenape

The United States Constitution is signed in Philadelphia.

United States ConstitutionPhiladelphia

France's Army of the Eastern Pyrenees defeats a Spanish force at the Battle of Peyrestortes.

Army of the Eastern PyreneesBattle of Peyrestortes

France completes its conquest of the Austrian Netherlands at the Battle of Sprimont.

Austrian NetherlandsBattle of Sprimont

Peace between Sweden and Russia in the Finnish War; the territory that will become Finland is ceded to Russia by the Treaty of Fredrikshamn.

Finnish WarFinlandTreaty of Fredrikshamn

American abolitionist Harriet Tubman escapes from slavery.

Abolitionism in the United StatesHarriet TubmanSlavery

Joshua A. Norton declares himself "Norton I, Emperor of the United States."

Joshua A. Norton

Argentine Civil Wars: The State of Buenos Aires defeats the Argentine Confederation at the Battle of Pavón.

Argentine Civil WarsBattle of Pavón

American Civil War: George B. McClellan halts the northward drive of Robert E. Lee's Confederate Army in the single-day Battle of Antietam, the bloodiest day in American military history.

American Civil WarGeorge B. McClellanRobert E. LeeConfederate ArmyBattle of Antietam

American Civil War: The Allegheny Arsenal explosion results in the single largest civilian disaster during the war.

Allegheny Arsenal

Battle of the Yalu River, the largest naval engagement of the First Sino-Japanese War.

Battle of the Yalu River (1894)First Sino-Japanese War

Philippine-American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.

Philippine-American WarFilipino peopleJuan CaillesColonel (United States)Battle of Mabitac

Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.

Second Boer WarBattle of Blood River Poort

Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.

17th LancersBattle of Elands River (1901)

The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes, killing Selfridge, who becomes the first airplane fatality.

Wright Model AOrville WrightLieutenantThomas Selfridge

Andrew Fisher becomes Prime Minister of Australia for the third time.

Andrew FisherPrime Minister of Australia

World War I: The Race to the Sea begins.

Race to the Sea