On this date in history: In 1778, the Continental Army under command of Gen. George Washington defeated the British at Monmouth, N.J. A pair of saddle pistols used by the Marquis de Lafayette during the battle fetched nearly $2 million at a 2002 auction . In 1838, Victoria was crowned queen of England. She would rule for 63 years, 7 months. In 1914, Archduke Ferdinand of the Austro-Hungarian Empire was assassinated in Sarajevo, Bosnia, an act considered to have ignited World War I. In 1919,