Jean-Daniel Dumas, (24 February 1721 – 2 August 1794), was a French officer in the Seven Years War. Events 303 - Galerius, Roman Emperor, publishes his edict that begins the persecution of Christians in his portion of the Year 1721 ( MDCCXXI) was a Common year starting on Wednesday (link will display the full calendar of the Gregorian calendar (or a Events 338 BC - A Macedonian army led by Philip II defeated the combined forces of Athens and Thebes in the Year 1794 ( MDCCXCIV) was a Common year starting on Wednesday (link will display the full calendar of the Gregorian calendar (or a The Seven Years' War (1756&ndash1763 involved all of the major European powers of the period causing 900000 to 1400000 deaths When the French & Indians launched their attack on General Braddock's column, Dumas and Langlade took command when their commanding officer, de Beaujeu was shot dead in the opening moments of the battle.