A collision 160 million years ago of two asteroids orbiting between Mars and Jupiter sent many big rock chunks hurtling toward the Earth, including the one that zapped the dinosaurs, scientists said on Wednesday.
Their research offered an explanation for the cause of one of the most momentous events in the history of life on Earth [...]

On Sept. 7, 1940, the German air force began its blitz on London during World War II. (Go to article.)
1533 England’s Queen Elizabeth I was born in Greenwich.
1822 Brazil declared its independence from Portugal.
1901 The Peace of Beijing ended the Boxer Rebellion in China.
1927 TV pioneer Philo T. Farnsworth succeeded in transmitting an image through purely electronic means by [...]