1610 - Galileo Galilei discovers Callisto, 4th satellite of Jupiter
1912 - -40°F (-40°C), Oakland, Maryland (state record)
1915 - Avezzano earthquake 1915; in Italy kills 29,800.
1938 - The Church of England accepts the theory of evolution.
2001 - Earthquake measuring magnitude 7.6 strikes El Salvador, killing more than 840 people
