December 21, 1975
In Vienna, Austria, Carlos the Jackal leads a raid on a meeting of oil ministers from the Organization of Petroleum Exporting Countries (OPEC). German and Arab terrorists stormed in with machine guns, killed three people, and took 63 people hostage, including 11 OPEC ministers. Calling his group the...
December 21, 841
"The winter solstice of 841 BCE, on 21 December, marks the beginning date of the Chinese calendar, still used across East Asia. Unlike the Gregorian calendar, which is the most widely used across the globe today, the years in the Chinese calendar are not continuously numbered. Instead, the Chinese c...
December 21, 1872
"On this day in 1872, the HMS Challenger embarked from Portsmouth, England, on the world's first scientific voyage across the world. The Challenger's four-year journey would change the course of scientific history.
Scottish zoologist Charles Wyville Thomson, who led the expedition, commi...