4:23 a.m. - 2021-07-18
The atomic number of antimony.
"Fifty-One", an episode of Breaking Bad.
The code for international direct dial phone calls to Peru.
The last possible television channel number in the UHF bandplan for American terrestrial television from December 31, 2011, when channels 52—69 were withdrawn, to July 3, 2020, when channels 38—51 were removed from the bandplan.
The number of the laps of the Azerbaijan Grand Prix.
In the 2006 film Cars, 51 was Doc Hudson's number.
The fire station number in the television series Emergency!.
The number of essays Alexander Hamilton wrote as part of The Federalist Papers defending the US constitution.
The model number of the P-51 Mustang World War II fighter aircraft.
Area 51, a parcel of U.S. military-controlled land in southern Nevada, apparently containing a secret aircraft testing facility.
Photo 51, an X-ray image of key importance in elucidating the structure of DNA in the 1950s.
Fifty-One Tales, part of the title of a collection of stories by Lord Dunsany.
"51st State", any future US state, usually referring to Washington D.C. or Puerto Rico. Occasionally used in commentary to refer to non-US entities (such as Alberta) adopting US-like policies or seeking to become part of the US.
51, a 2011 American horror film.
Pastis 51, often just called "51", is a brand of pastis owned by Pernod Ricard.
Greg Murphy used "#51" for most of the seasons he raced in V8 Supercars.
Clubhouse Games: 51 Worldwide Classics, a Nintendo Switch video game with fifty-one activities.