Wikipedia:Selected anniversaries/October 19

October 19: Constitution Day in Niue (1974); Mother Teresa Day in Albania.

Isabella of Castile

• 202 BC - Proconsul Scipio Africanus of the Roman Republic defeated Hannibal and the Carthaginians in the Battle of Zama, concluding the Second Punic War.

• 1469 - Ferdinand II of Aragon wedded Isabella of Castile (pictured), a marriage that paved the way to the unification of Aragon and Castile into a single country, Spain.

• 1781 - American Revolutionary War: British forces led by Lord Cornwallis officially surrendered to Franco-American forces under George Washington, ending the Siege of Yorktown.

• 1943 - Streptomycin, the first antibiotic remedy for tuberculosis, was first isolated by researchers at Rutgers University.

• 1987 - The Dow Jones Industrial Average fell by 22% on Black Monday, the second largest one-day percentage decline in history.

Recent days: October 18 – October 17 – October 16

More anniversaries:

• September 30
• October 1
• October 2