September 27th is the 270th day of the year (271st in leap years) in the Gregorian calendar. There are 95 days remaining until the end of the year. This date is slightly more likely to fall on a Tuesday, Thursday or Sunday (58 in 400 years each) than on Friday or Saturday (57), and slightly less likely to occur on a Monday or Wednesday (56).

On this day in history:

1066 – William the Conqueror and his army set sail from the mouth of the River Somme, beginning the Norman conquest of England.

1822 – Jean-François Champollion announces that he has deciphered the Rosetta Stone.

1908 – The first production of the Ford Model T automobile was built at the Ford Piquette Avenue Plant in Detroit, Michigan.

1938 – Ocean liner Queen Elizabeth launched in Glasgow.

1962 – Rachel Carson’s book Silent Spring is published, inspiring an environmental movement and the creation of the U.S. Environmental Protection Agency.

1998 – The Google internet search engine retroactively claims this date as its birthday.

Celebrity Birthdays:

Rapper Lil Wayne turns 34

Singer-Songwriter Avril Lavigne turns 32

Goop Founder and Actress Gwyneth Paltrow turns 44

Mozart in the Jungle Star Lola Kirke turns 26

Pitch Perfect Cast Member Anna Camp turns 34

Happy Birthday to all September 27th babies!