This Day in U.S. History

1788 – New York became the 11th state to ratify the Constitution. 

1918 – New York’s 27th Division, assigned to the British XIX Corps, which had begun relieving the French 71st Division on July 5th, completes it movement into the front lines. During its service in World War I the 27th would participate in two campaigns, the Ypres-Lys and Somme Offensive and have seven of its soldiers awarded the Medal of Honor.

1947 – President Harry S. Truman signs the National Security Act, which becomes one of the most important pieces of Cold War legislation.