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"When one teaches, two learn."
[Robert Half]

Quote of the Day, from brainyquote.com (2025/12/06)

Jefferson Davis (June 3, 1808 – December 6, 1889) was the president of the Confederate States of America (CSA) from 1861 to 1865. He previously represented Mississippi in the United States Senate and House of Representatives as a Democrat, and was the U.S. secretary of war from 1853 to 1857. A graduate of West Point, Davis served in the U.S. Army, fighting in the Mexican–American War. He was a cotton planter and owned as many as 113 slaves. During the Civil War, Davis served as commander in chief. When the CSA was defeated in 1865, he was captured, accused of involvement in the assassination of Abraham Lincoln and of treason, and imprisoned at Fort Monroe. He was released without trial after two years. Immediately after the war, Davis was often blamed for the CSA's defeat but, after his release from prison, the Lost Cause movement deemed him a hero, and he was celebrated in the South. In the 21st century, however, he has been viewed more harshly, and many memorials to him have been removed. (Full article...)

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December 6: Saint Nicholas's Day (Western Christianity); White Ribbon Day in Canada; Independence Day in Finland (1917)

Béla I of Hungary

1060 – Béla I (pictured) was crowned King of Hungary in Székesfehérvár.
1865 – Slavery in the United States was officially abolished with the ratification of the Thirteenth Amendment to the U.S. Constitution.
1942 – The Holocaust: Members of the German Ordnungspolizei massacred 31 people in Stary Ciepielów and Rekówka within occupied Poland for helping Jews.
1975 – Four members of the Provisional Irish Republican Army took two people hostage in a house on Balcombe Street in London, surrendering six days later.
1990 – An Italian Air Force military jet, abandoned by its pilot after an on-board fire, crashed into a high school near Bologna, killing 12 students and injuring 88 other people.

Age of Earth: ~ 4.568 billion years
World Population: 7.3 billion (July 2015)
Continents: 7 (Asia, Africa, North America, South America, Antarctica, Europe, and Australia)
Mean Radius: 6371.0 km
Axial Tilt: 23,44°

Image Source: Wikipedia - License: Public Domain (thanks to NASA)

Our solar system consists of
1 star (Sun) and 8 planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune).

1 AU (astronomical unit) is roughly the distance between Earth and the Sun (about 150 million kilometres).
The space probe Voyager 1 was launched by the NASA in 1977 and is meanwhile (autumn 2015) about 133 AU away from Earth.

Image Source: Wikipedia - License: CC BY-SA 3.0