This Day in History
last updated: Tue, 23 May 2017 05:00:00 GMT

USSR Begins Drilling World's Deepest Hole (1970)
The Kola Superdeep Borehole project was an attempt to dig as far as possible into the Earth's crust. It began when, in 1970, following setbacks in the Space Race, Soviet scientists looked downward. Digging on the remote Kola Peninsula for some 20 years, they reached a depth of 40,230 feet (12,262 m)—about a third of the way through the Earth's crust—before being forced to stop due to higher-than-expected temperatures of 350° F (180° C). Surprisingly, water was found at what depth? Discuss

full story

BBC On This Day | Front Page
last updated: Thu, 14 Nov 2002 17:55:28 GMT

1983: US troops invade Grenada
American forces seize control of the Caribbean island of Grenada less than a week after a left-wing coup in which the prime minister, Maurice Bishop, was killed.

full story

Twitter / WorldHistory101
last updated: Fri, 09 Sep 2011 19:33:08 +0000

WorldHistory101: More great resources: the History Channel http://t.co/P0yDU4P the Library of Congress http://t.co/3GGXZtg & Wikipedia http://t.co/Vx3B2wy
WorldHistory101: More great resources: the History Channel http://t.co/P0yDU4P the Library of Congress http://t.co/3GGXZtg & Wikipedia http://t.co/Vx3B2wy

full story