Events on August 26 34
Year 683
Yazid I's army kills 11,000 people of Medina including notable Sahabas in Battle of al-Harrah.
Year 1071
The Seljuq Turks defeat the Byzantine army at the Battle of Manzikert, and soon gain control of most of Anatolia.
Year 1278
Ladislaus IV of Hungary and Rudolf I of Germany defeat Ottokar II of Bohemia in the Battle on the Marchfeld near Dürnkrut in (then) Moravia.
Year 1346
Hundred Years' War: The military supremacy of the English longbow over the French combination of crossbow and armoured knights is established at the Battle of Crécy.
Year 1444
Battle of St. Jakob an der Birs: A vastly outnumbered force of Swiss Confederates is defeated by the Dauphin Louis (future Louis XI of France) and his army of 'Armagnacs' near Basel.
Year 1748
The first Lutheran denomination in North America, the Pennsylvania Ministerium, is founded in Philadelphia.
Year 1789
The Declaration of the Rights of Man and of the Citizen is approved by the National Constituent Assembly of France.
Year 1810
The former viceroy Santiago de Liniers of the Viceroyalty of the Río de la Plata is executed after the defeat of his counter-revolution.
Year 1813
War of the Sixth Coalition: An impromptu battle takes place when French and Prussian-Russian forces accidentally run into each other near Liegnitz, Prussia (now Legnica, Poland).
Year 1814
Chilean War of Independence: Infighting between the rebel forces of José Miguel Carrera and Bernardo O'Higgins erupts in the Battle of Las Tres Acequias.
Year 1914
World War I: The German colony of Togoland surrenders to French and British forces after a 20-day campaign.
Year 1914
World War I: During the retreat from Mons, the British II Corps commanded by General Sir Horace Smith-Dorrien fought a vigorous and successful defensive action at Le Cateau.
Year 1920
The 19th amendment to United States Constitution takes effect, giving women the right to vote.
Year 1922
Greco-Turkish War (1919-22): Turkish army launched what has come to be known to the Turks as the "Great Offensive" (Büyük Taarruz). The major Greek defense positions were overrun.
Year 1940
Chad becomes the first French colony to join the Allies under the administration of Félix Éboué, France's first black colonial governor.
Year 1942
At Chortkiv, the Ukrainian police and German Schutzpolizei deport two thousand Jews to Bełżec extermination camp. Five hundred of the sick and children are murdered on the spot. This continued until the next day.
Year 1977
The Charter of the French Language is adopted by the National Assembly of Quebec
Year 1980
After John Birges plants a bomb at Harvey's Resort Hotel in Stateline, Nevada, in the United States, the FBI inadvertently detonates the bomb during its disarming.
Year 1999
Russia begins the Second Chechen War in response to the Invasion of Dagestan by the Islamic International Peacekeeping Brigade.
Year 2009
Kidnapping victim Jaycee Dugard is discovered alive in California after being missing for over 18 years.
Year 2011
The Boeing 787 Dreamliner, Boeing's all-new composite airliner, receives certification from the EASA and the FAA.
Year 2015
Two U.S. journalists are shot and killed by a disgruntled former coworker while conducting a live report in Moneta, Virginia.