** Langer Eugen, since 2006 the centre of the United Nations Campus, formerly housing the offices of the members of the German parliament

** International Air Transport Association for Baker Army Air Field ( abandoned ), Baker Island, United States Minor Outlying Islands

** United Kingdom of Great Britain and Ireland, a sovereign state from 1801 to 1922 ( and between 1922 and 1927 in its superseded form )

** United States Army Medical Unit ( 1956 – 69 )

** Obadiah, from the United Church of God, an International Association Bible Reading Program-This Hebrew scholar provides extensive background information as well as verse-by-verse exposition

** C. v. mexicanus ( Linnaeus, 1766 )-eastern United States west of Atlantic Seaboard to Great Plains

** United Nations Educational, Scientific, and Cultural Organization ( UNESCO )

** United States ( January 1, 2009 )

** Canals of the United Kingdom

** Canals of the United States

** Commodore ( United States ), in the United States Navy and United States Coast Guard

** United States: see Coptic Orthodox Church in the United States

** Cumberland Road, a historical road, also called the Great National Pike and the National Road, the first United States federal highway

** Democratic Party ( United States )

** Itemized deduction, eligible expense that individual taxpayers in the United States can report on their Federal income tax returns

** Clement of Alexandria ( Episcopal Church in the United States of America )

** Nicholas Ferrar ( Episcopal Church ( United States ))

** National Day, celebrates the independence of Saint Lucia from United Kingdom in 1979.

** 13th Demi-Brigade of the Foreign Legion ( 13 DBLE ), based in United Arab Emirates, formerly in Africa ( Djibouti ).

** United Arab Emirates Prevention 13 DBLE ; 1 < sup > e </ sup > REC / 1 ° escadron ; 1 < sup > e </ sup > REG / 3 ° compagnie

** Geology of the United Kingdom

** United States housing bubble

** Workers Memorial Day ( International )

** The Workers Party of South Korea is founded.

** In India, May 1 is declared as ' Maharashtra Divas ', i. e., Maharashtra Day ( also celebrated as ' Kaamgaar Divas ', i. e., Workers Day ).

** While working as a spy for the police, Adolf Hitler is ordered to monitor the German Workers Party.

** The Steel Workers Organizing Committee is founded in the United States.

** The United Farm Workers Organizing Committee ( UFWOC ), predecessor of the United Farm Workers of America ( UFW ), is formed.

** The Party of the Alliance of Youth, Workers and Farmers of Angola is founded in Luanda, Angola.

** The United Mine Workers of America is founded.

** The Polish United Workers ' Party votes to legalize Solidarity.

** César Chávez, American labor activist, United Farm Workers founder ( d. 1993 )

** ( Workers ' Party of Ethiopia ) 1984-1991

** Hungary ( Hungarian Working People's Party ) 1948-1956, ( Hungarian Socialist Workers ' Party ) 1956-1989

** North Vietnam ( Workers ' Party of Vietnam ) 1945-1976

** Poland ( Polish United Workers ' Party led the Patriotic Movement for National Rebirth ) 1948-1989

** ( National Socialist German Workers ' Party ) 1933-1945

** United Farm Workers headquarters

** Arbeiter-und Soldatenräte ( Workers ' and Soldiers ' Councils ) established throughout Germany, beginning in Kiel, during the German Revolution of November 1918, including Bremen, Braunschweig, Würzburg, Munich ( Bavarian Soviet Republic ( 1918 – 1919 )) and Alsace ( Alsace Soviet Republic ( 8 – 22 November 1918 )).

** Finnish Socialist Workers ' Republic ( January – April 1918 ) in the south of Finland only: Social Democratic Party of Finland.

** Communication Workers Union ( South Africa )

** Communication Workers Union ( Trinidad and Tobago )

** Communication Workers Union ( UK )

** Communication Workers Union of Australia

** French Confederation of Christian Workers

** Workers ' Force