The Constitution of the United States of America is signed by 39 delegates present at the conclusion of the Constitutional Convention in Philadelphia. Supporters of the document waged a hard-won battle to win ratification by the necessary nine out of 13 U.S. states. The Articles of Confederation, ratified several months before the British surrender at Yorktown […]

In the early afternoon on September 17, 1862, just about 200 miles from where the Battle of Antietam was taking place, another Civil War-era tragedy occurs: Three explosions rip through the Allegheny Arsenal and kill 78 workers, mostly young women and girls. At 2 p.m., the first explosion hits, followed shortly by two more; then, […]

On September 17, 1939, Soviet Foreign Minister Vyacheslav Molotov declares that the Polish government has ceased to exist, as the U.S.S.R. exercises the “fine print” of the Hitler-Stalin Non-aggression pact—the invasion and occupation of eastern Poland. Hitler’s troops were already wreaking havoc in Poland, having invaded on the first of the month. The Polish army […]

On September 17, 1967, up-and-coming British Invasion rock band the Who—known for their high-energy, instrument-destroying antics—ended an already explosive, nationally televised performance of their hit “My Generation” with a literal bang. The blast, caused by fireworks drummer Keith Moon had packed into his bass drum, badly singed guitarist Pete Townshend’s hair, left shrapnel in Moon’s […]

At the White House in Washington, D.C., Egyptian President Anwar el-Sadat and Israeli Prime Minister Menachem Begin sign the Camp David Accords, laying the groundwork for a permanent peace agreement between Egypt and Israel after three decades of hostilities. The accords were negotiated during 12 days of intensive talks at President Jimmy Carter’s Camp David […]

On September 17, 1996, daytime talk show host Oprah Winfrey launches a television book club and announces “The Deep End of the Ocean” by Jacquelyn Mitchard as her first selection. Oprah’s Book Club quickly became a hugely influential force in the publishing world, with the popular TV host’s endorsement capable of catapulting a previously little-known […]

On September 17, 2011, hundreds of activists gather around Zuccotti Park in lower Manhattan for the first day of the Occupy Wall Street Movement—a weeks-long sit-in in New York City’s Financial District protesting income inequality and corporate corruption. While the movement failed to see any of its goals or policy proposals come to fruition, years […]