Across
- 4. The wreckage of this famously sunken luxury liner was discovered on September 1, 1985, 12,000 feet below the Atlantic Ocean's surface.
- 6. The Norman Invasion of England commenced on September 28, 1066 under this Duke's command.
- 9. This West Asian country declared independence from the Soviet Union on September 23, 1991.
- 11. This South American country declared independence from Portugal on September 7, 1822.
- 13. Last name of the legendary puppeteer and creator of the Muppets, born September 24, 1936.
- 14. The first American newspaper ("Publick Occurrences Both Foreign and Domestick") was published in this city on September 25, 1690.
- 16. Famed British mystery author, Agatha _____, was born on September 15, 1890.
- 17. The British ended their use of the Julian calendar in favor of this type on September 2, 1752.
- 18. Commander that completed the sack of Rome on September 4, 476, marking the end of the Western Roman Empire.
Down
- 1. This two word country was the first to grant women the right to vote on September 19, 1893.
- 2. Last name of the author of The Hobbit, first published in London on September 21, 1933.
- 3. The Treaty of ____ was signed on September 3, 1783, formally ending the Revolutionary War.
- 5. This Pilgrim ship set sail from England on September 16, 1620.
- 7. The Great Fire of this English city started on September 2, 1666.
- 8. WWII began in Europe after German forces invaded this country on September 1, 1939.
- 10. First name of the renowned Italian physicist, who also gave us the concept of Fermi's Paradox, born September 29, 1901.
- 11. Crooner Crosby's first name, who debuted on September 2, 1931.
- 12. This South American country declared independence from Spain on September 18, 1810.
- 15. This far out future cartoon family debuted on television on September 23, 1962.
- 17. This European country was reunified on September 12, 1990.
