1947 Event President Truman signs Executive Order 9835 requiring all federal employees to have allegiance to the United States 1945 Event Congress officially recognizes the Pledge of Allegiance 1892 Event Pledge of Allegiance 1st recited in public schools 1892 Event 1st appearance of "Pledge of Allegiance" (Youth's Companion) 1690 Event Iroquois tribes renew allegiance to British against French 1570 Event Pius V excommunicates Elizabeth, absolves her subjects from allegiance
