July 21
365 – A tsunami devastates the city of Alexandria, Egypt. The tsunami was caused by the Crete earthquake estimated to be 8.0 on the Richter Scale. 5,000 people perished in Alexandria, and 45,000 more died outside the city.
1865 – In the market square of Springfield, Missouri, Wild Bill Hickok shoots and kills Davis Tutt in what is regarded as the first western showdown.
1873 – At Adair, Iowa, Jesse James and the James-Younger Gang pull off the first successful train robbery in the American Old West.
1969 – Space Race:
Neil Armstrong and Edwin "Buzz" Aldrin become the first humans to walk on the Moon, during the Apollo 11 mission (July 20th in North America).
1970 – After 11 years of construction, the Aswan High Dam in Egypt is completed.
1983 – The world's lowest temperature is recorded at Vostok Station, Antarctica at −89.2 °C (−128.6 °F). [Howzat for winter Sneaky?
]
2005 – Four terrorist bombings, occurring exactly two weeks after the similar July 7 bombings, target London's public transportation system. All four bombs fail to detonate and all four suspected suicide bombers are captured and later convicted and imprisoned for long terms.
(source: wikipedia)