October 20th is the 293rd day of the year (294th in leap years) in the Gregorian calendar. There are 72 days remaining until the end of the year. This date is slightly more likely to fall on a Tuesday, Thursday or Saturday (58 in 400 years each) than on Sunday or Monday (57), and slightly less likely to occur on a Wednesday or Friday (56).

On this day in history:

1720 – Caribbean pirate Calico Jack is captured by the Royal Navy.

1910 – The hull of the RMS Olympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast, Northern Ireland.

1968 – Former First Lady Jacqueline Kennedy marries Greek shipping tycoon Aristotle Onassis.

1973 – The Sydney Opera House is opened by Elizabeth II after 14 years of construction.

1977 – Rock band Lynyrd Skynyrd’s plane crashes.

2011 – National Transitional Council rebel forces capture ousted Libyan dictator Muammar Gaddafi in his hometown of Sirte and kill him shortly thereafter.

Celebrity Birthdays:

Rapper Snoop Dogg turns 46

Supermodel Candice Swanepoel turns 29

The Office Star John Krasinski turns 38

Lord of the Rings Actor Viggo Mortensen turns 59

Singer Dannii Minogue turns 46

Professional Wrestler Scott Hall turns 59

Happy Birthday to all October 20th babies!