1493 - 1st sight of manatees (by Christopher Columbus)
1788 - Connecticut becomes the fifth state to be admitted to the United States.
1954 - -87°F (-66°C), Northice Station, Greenland (Greenland record)
1960 – Beginning of the construction of the Aswan dam in Egypt.
1960 - President of Egypt Gamal Abdel Nasser opens construction on the Aswan High Dam by detonating ten tons of dynamite to demolish twenty tons of granite on the east bank of the Nile.
1968 - Surveyor 7 space probe soft lands on Moon
1973 - Luna 21 launched, to Moon
1982 - 5.9 earthquake in New England & Canada; 1st since 1855
