1. US History This Day in American History October 12
1492
After sailing across the Atlantic Ocean, Italian explorer Christopher Columbus sights a Bahamian island, believing he has reached East Asia. His expedition went ashore the same day and claimed the land for Isabella and Ferdinand of Spain, who sponsored his attempt to find a western ocean route to China, India, and the fabled gold and spice islands of Asia.

2. US History This Day in American History October 12
1776
British troops head up East River - On this day in 1776, British Generals Henry Clinton and William Howe lead a force of 4,000 troops aboard some 90 flat-boats up New York’s East River toward Throg’s Neck, a peninsula in Westchester County, in an effort to encircle General George Washington and the Patriot force stationed at Harlem.

3. US History This Day in American History October 12
1918
Fire rages in Minnesota - A massive forest fire rages through Minnesota on this day in 1918, killing hundreds of people and leaving thousands homeless. The fire burned at least 1,500 square miles. 

4. US History This Day in American History October 12
2000
USS Cole attacked by terrorists - At 12:15 p.m. local time, a motorized rubber dinghy loaded with explosives blows a 40-by-40-foot hole in the port side of the USS Cole, a U.S. Navy destroyer that was refueling at Aden, Yemen. Seventeen sailors were killed and 38 wounded in the attack.