Wikipedia:Selected anniversaries/October 19
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This is a list of selected October 19 anniversaries that appears on the "On this day" section of the Main Page. To suggest a new item, in most cases you can be bold and edit this page. Please read the selected anniversaries guidelines before making your edit. However, if your addition may be controversial, or on a day that is or soon will be on the Main Page, please post your suggestion on the talk page instead.
To report an error when this appears on the Main Page, see Main Page errors.October 19: Constitution Day in Niue (1974); Mother Teresa Day in Albania
- 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 22.6% on Black Monday, the largest one-day percentage decline in stock market history.
More events: October 18 – October 19 – October 20

