September 7, 1940 – The German Luftwaffe began its Blitz bombing campaign against London during World War II.
September 8, 1900 – A hurricane with winds of 120 miles per hour struck Galveston, Texas, killing over 8,000 people, making it the worst natural disaster in U. S. History. The hurricane and tidal wave that followed destroyed 2,500 buildings.
September 9, 1776 – The United States officially came into existence as the Continental Congress voted to change the name of the new American nation which was previously known as the United Colonies.
September 11, 2001 – The worst terrorist attack in U. S. history occurred as four jet airliners are hijacked and crashed; two into the twin towers of the World Trade Center in New York, one into the Pentagon in Washington, D.C., and one into a field in Pennsylvania during a struggle between the hijackers and passengers. The attack leaves nearly 3,000 people killed.