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Today in History - 1957: The U.S. detonated a 1.7-kiloton nuclear weapon, known as Rainier, in an underground tunnel at the Nevada Test Site, located 65 miles north of Las Vegas. This test was the first fully contained underground detonation and produced no radioactive fallout. #TodayInHistory

19 Sep 1776
Col. Williamson's patriots attacked in NC in a gorge known as the Black Hole, eventually fight clear.
#RevWar #TodayInHistory

#TodayinHistory #dataviz #OTD 📊
💀Sep 18, 1783 Leonhard Euler died in Saint Petersburg, Russia 🇷🇺
Among many other things....
1752: Introduced a notation for which gives coordinates of every possible point in 3D space, (x,y,z).

📅 September 18, 1947 — The Establishment of the United States Air Force

A new branch took flight on this day,
When the Air Force broke free from the fray.
Split from Army command,
By Truman's own hand,
The skies had their own force to stay!

#TodayInHistory #Limerick #History

1793: US President George Washington lays the cornerstone of the Capitol Building in Washington, D.C.

1976: Chinese Communist Party Chairman Mao Zedong's funeral takes place in Beijing, China. #todayinhistory

Today in History - 1870: Henry Washburn, a former U.S. representative and Union Army general, led the expedition that discovered and named "Old Faithful" in Yellowstone. #TodayInHistory

Today in Bookish and Literary History, September 18

#todayinhistory #otd #september18 #booksky #books #reading #readers #releasedates #publicationday