1847 – The first U.S. postage stamps were issued.
1863 – The Battle of Gettysburg begins.
1867 – Canada was granted independence by Great Britain.
1870 – The United States Department of Justice formally comes into existence.
1881 – The world’s first international telephone call is made between Canada and the United States
1898 – Spanish-American War: Teddy Roosevelt and his Rough Riders led a charge up Cuba’s heavily fortified San Juan Hill.
1931 – Wiley Post and Harold Gatty become the first people to circumnavigate the globe in a single-engined monoplane aircraft.
1946 – The U.s. conducted its first post-war test of the atomic bomb at Bikini Atoll in the Pacific.
1963 – Zip codes are introduced for mail in the U.S.
1997 – Hong Kong was returned to China after 156 years as a British territory.
