August 4 or August 4 is the 216th day of the year of the Gregorian calendar, 217th when it is a leap year, then there are 149 left.
Its equivalent was usually 17 Thermidor of the French Republican/Revolutionary calendar, officially referred to as Linen Day.
August 3 - August 4 - August 5
1060: Philippe Ier succeeds his father Henri Ier (as for him in death hereafter) on the throne of France, for a reign of approximately 48 years (one of longest of this country although less known in that respect than those of Louis XIV and Louis XV later or even Charlemagne earlier).
1145: Emperor Conrad III validates the titles of Raymond I of Baux and Étiennette, younger sister of Douce I, without specifying too much about the content, and gives them the right to mint coins, an advantage attached to sovereignty.
1265: Battle of Evesham. Decisive battle of the "Second Barons' War", during which the rebel English barons, under the leadership of Simon V de Montfort, were massacred on the battlefield by the royalist forces of Prince Edward (future King Edward I), four times as many.
1443: foundation of the Hospices de Beaune, hospital for the poor, created on the initiative of Nicolas Rolin, chancellor of the Duke of Burgundy Philippe III le Bon, and his wife Guigone de Salins.
1477: execution of Jacques d'Armagnac.
1521: in Calais, Cardinal Wolsey attempts a peace conference, making it a decoy allowing the King of England Henry VIII and Charles V to prepare their weapons against France.
1532: Treaty of annexation of Brittany to France.
1578: Battle of the Three Kings, decisive Moroccan victory against the Portuguese army.
1693: probable date of discovery of the process of making champagne by Dom Pérignon.
1701: signing of the Great Peace of Montreal.
1789: on the night of August 4 to 5, abolition of privileges in France, by the National Constituent Assembly.
1802: in France, proclamation of the Constitution of Year X.
1870: Battle of Wissembourg, defeat of Napoleon III's troops against the Prussians.
1914: invasion of Belgium by Germany, resulting in an ultimatum from Great Britain, then the latter's declaration of war on Germany.
1916: second German-Turkish raid on Cairo, and English and Belgian victories against German East African troops, on the Middle East front (World War I).
1940: The Italian Army of Abyssinia enters British Somalia.
1941: victory of the Belgian colonial troops, leading to the Italian surrender of Saïo.
arrest of the hidden and still unknown young German Anne Frank by the Gestapo as well as seven other Jews in Amsterdam;
liberation of Rennes by the FFI and the allied and armored troops of American General George S. Patton after bitter fighting in the Normandy bocage since the previous 6 June.
1958: The American nuclear-powered submarine USS Nautilus crosses the North Pole under the pack ice.
1960: independence of the Belgian Congo.
1965: independence of the Cook Islands.
1982: decriminalization of homosexuality in France, under the rule of President François Mitterrand and the Keeper of the Seals Robert Badinter in particular, and abolition of the distinction, introduced in 1942 and confirmed in 1945, in the age of consent between heterosexual relations and homosexuals.
1983: in Upper Volta (future Burkina Faso), a military coup takes place that places Thomas Sankara in power.
1984: Upper Volta becomes Burkina Faso, under the leadership of the C.N.R. (National Council of the Revolution), led by Thomas Sankara who will be assassinated three