Today in American Military History -- Many entries today:
1916 -- Pershing begins 10-month pursuit of Pancho Villa in Mexico
1930 -- USS 'Nautilus' (SS 168) is launched at Mare Is., California
1942 -- Hawaii: NY's 27th Inf Div arrives, first division to land overseas in WW II.
and:
1781 Battle of Guilford Court House: he battle was "the largest and most hotly contested action" in the American Revolution's southern theater. The Brits barely defeat the Yankees, and decide to retire from the Carolinas into Virginia, where they will have an unfortunate encounter with George Washington at Yorktown...