Some trivia about today, October 20th.

Flag of the United States (1795–1818).
Image Wikipedia
One
On 20 October 1973, which Australian landmark officially opened to the public?
Sydney Opera House
Two
The Battle of Valdivia, part of the Chilean War of Independence, took place in which decade?
1820s
Three
Which iconic rock musician gave his final live performance with his band, the Traveling Wilburys, on this day in 1990?
Four
On 20 October 2011, which long-time Libyan leader was captured and killed during the civil conflict?
Five
Which U.S. President signed the Louisiana Purchase Treaty on 20 October 1803?
Thomas Jefferson
Good luck! I’ll Post the answers later.
