The way the Earth changes its tilt. See 'A Brief History of Climate Change'.
Obliquity
Fact of the Day
The Spartans had a way of tackling childhood obesity: every ten days, they would get their children to strip naked and, if they were fat, they would beat them.
Quote of the Day
"He so beautified the city [Rome] that he justly boasted that he found it brick and left it marble.
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~ Suetonius on Augustus
On This Day
1040 Duncan I of Scotland was killed by Macbeth (or Macbeth's men) near Elgin.
1941 The Atlantic Charter was signed by Churchill and Roosevelt, stating their post-war goals for a new world.
1947 Pakistan achieved independence from Britain.
1967 The Marine Broadcasting Offences Act became law, banning offshore 'pirate' radio stations from broadcasting.
1969 British troops arrived in Northern Ireland in what was planned to be a short-lived, 'limited operation'. They stayed there for the next thirty-eight years.