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The Doomsday Clock is a symbol that represents the likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. [1] Maintained since 1947, the Clock is a metaphor, not a prediction, for threats to humanity from unchecked scientific and technological advances.
This group of radical Christians predicted that the final apocalyptic battle and the destruction of the Antichrist were to take place between 1655 and 1657. Columbus claimed that the world was created in 5343 BCE, and would last 7000 years. Assuming no year zero, that means the end would come in 1658.
The Gettysburg Address is a speech that U.S. President Abraham Lincoln delivered during the American Civil War at the dedication of the Soldiers' National Cemetery, now known as Gettysburg National Cemetery, in Gettysburg, Pennsylvania on the afternoon of November 19, 1863, four and a half months after the Union armies defeated Confederate forces in the Battle of Gettysburg, the Civil War's ...
Since the office was established in 1789, 45 men have served in 46 presidencies. The first president, George Washington, won a unanimous vote of the Electoral College. [4] Grover Cleveland served two non-consecutive terms and is therefore counted as the 22nd and 24th president of the United States, giving rise to the discrepancy between the ...
Agencies were enforced. 2001 — American Airlines Flight 587 crashes in Queens, New York, killing 265. 2002 — The Department of Homeland Security is created in the wake of the September 11 attacks. 2002 — The United States withdraws from Anti-Ballistic Missile Treaty.
c. 50 – Aulus Cornelius Celsus died, leaving De Medicina, a medical encyclopedia; Book 3 covers mental diseases.The term insania, insanity, was first used by him. The methods of treatment included bleeding, frightening the patient, emetics, enemas, total darkness, and decoctions of poppy or henbane, and pleasant ones such as music therapy, travel, sport, reading aloud, and massage.
Late modern period. For a timeline of events from 1801 to 1900, see Timeline of the 19th century. For a timeline of events from 1901 to 1945, see Timeline of the 20th century. For 1914–1918, see Timeline of World War I. For 1939–1945 see Timeline of World War II.
The Information Age (also known as the Third Industrial Revolution, Computer Age, Digital Age, Silicon Age, New Media Age, Internet Age, or the Digital Revolution[ 1 ]) is a historical period that began in the mid-20th century. It is characterized by a rapid shift from traditional industries, as established during the Industrial Revolution, to ...