page_title: 21 (number)
section_title: In other fields
hierarchical_section_title: 21 (number) / In other fields
caption_attribution_description: Čeština: Číslo 21 před vchodem do Baťova mrakodrapu ve Zlíně. English: Number 21 in front of the Baťa's scryscraper in Zlín.
context_page_description: 21 is the natural number following 20 and preceding 22.
context_section_description: 21 is:
  The Twenty-first Amendment repealed the Eighteenth Amendment, thereby ending Prohibition.
  The number of spots on a standard cubical (six-sided) die (1+2+3+4+5+6)
  The number of firings in a 21-gun salute honoring Royalty or leaders of countries
  21 Guns, a 2009 song by the punk-rock band Green Day
  Twenty One Pilots, an American musical duo
  There are 21 trump cards of the tarot deck if one does not consider The Fool to be a proper trump card.
  The standard TCP/IP port number for FTP connection
  The Twenty-One Demands were a set of demands which were sent to the Chinese government by the Japanese government of Okuma Shigenobu in 1915
  21 Demands of MKS led to the foundation of Solidarity in Poland.
  In Israel, the number is associated with the profile 21 (the military profile designation granting an exemption from the military service)
  Duncan MacDougall reported that 21 grams is the weight of the soul, according to an experiment.
  The number of the French department Côte-d'Or
  Twenty-One (card game), an ancient card game in which the key value and highest-winning point total is 21
  Blackjack, a modern version of Twenty-One played in casinos
  The number of shillings in a guinea.
  The number of solar rays in the flag of Kurdistan.
  The number on the logo for the American game show Catch 21
caption: Detail of the building entrance
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