Just for fun — we've got a lineup of St. Patrick's Day-themed primary sources to bring a little shamrock spirit into your classroom this March 17th. The Original Federal Order On 3/16/1780 George Washington’s General Order granted Saint Patrick’s Day as a holiday to the troops. Cartoons 3/17/1918 – On Saint Patrick's Day, cartoonist Clifford Berryman showed a determined Uncle Sam … Continue reading St. Patrick’s Day Primary Sources