|Holiday name||Holiday location||Holiday type|
|National Chocolate Milk Day||-||Unofficial (Food & Drinks)|
|National Crush a Can Day||-||Unofficial (Nature & Environment)|
|National Corned Beef Hash Day||-||Unofficial (Food & Drinks)|
|National Gay Men’s HIV/AIDS Awareness Day||-||Unofficial (Awareness & Cause, Health & Body)|
|National Scarf Day||-||Unofficial (Lifestyle)|
|Gold Star Mother's Day||United States||Observance|
|Sukkot II||Israel||Observance, Hebrew|
|World Tourism Day||Congo Democratic Republic||Observance|
|Meskel||Multiple [Show]||Public Holiday|
Historical Events on September 27
- 1605: Polish and Lithuanian forces defeat Swedish forces at the Battle of Kircholm.
- 1669: The fortress of Candia is surrendered to the Ottomans by the Venetians. This hereby ends the Siege of Candia, which lasted approximately 21-years.
- 1777: For just one day, Lancaster Pennsylvania becomes the capital of the U.S when the Second Continental Congress decides to evacuate Philadelphia to get away from invading British forces.
- 1822: On this day, Jean-Francois Champollion declares that he has deciphered the Rosetta Stone.
- 1854: The SS Arctic sinks in the Atlantic Ocean with over three hundred people on board.
- 1908: The first production model of the Model T Ford is built in Detroit, Michigan.
- 1940: During World War II, on this day the Berlin Pact is signed by Germany, Italy and Japan. Also known as the Tripartite Pact, was a defensive military alliance between these nations.
- 1954: Tonight hosted by Steve Allen makes its nationwide debut on NBC on this day.
- 1979: The United States Congress gives its final approval to the U.S Department of Education for it to become the 13th Cabinet agency in the United States.
- 1993: On this day, the Sukhumi Massacre occurs in Abkhazia.
- 1998: The Internet search engine Google claims this day as its birthday. Happy Birthday Google!
- 2007: The Dawn probe is launched by NASA.
- 2014: Mount Ontake in Japan erupted on this day.
Famous Birthdays on September 27
- French theologian and bishop Jacques-Bénigne Bossuet is born in 1627.
- American librarian and pastor Solomon Stoddard is born in 1643.
- Italian saint and bishop Alphonsus Maria de’ Liguori is born in 1696.
- American politician and philosopher Samuel Adams is born in 1722.
- Austrian poet, author and lepidopterist Michael Denis is born in 1729.
- American comedian, actor and pod caster Marc Maron is born in 1963.
- American computer scientist Tracy Camp is born in 1964.
- American actress and businesswoman Gwyneth Paltrow is born in 1972.
- American video game designer Matt Harding is born in 1976.
- American author and illustrator Sophie Crumb is born in 1981.
- Canadian singer-songwriter and fashion designer Avril Lavigne is born in 1984.