Category:Events in Washington, D.C. in the 20th century

States of the United States: Arizona · California · Colorado · Hawaii · Illinois · Indiana · Maine · Maryland · Massachusetts · Michigan · Missouri · New Jersey · New York · North Carolina · Ohio · Oklahoma · Oregon · Pennsylvania · South Carolina · Washington · West Virginia · Wisconsin – Washington, D.C.

Most populous urban areas of the world: Barcelona [ES] · Boston [US] · Chicago [US] · London [GB] · Los Angeles [US] · Madrid [ES] · Milan [IT] · New York City [US] · Philadelphia [US] · San Francisco [US] · Singapore [SG] · Washington, D.C. [US]

100 most populous cities of the United States 
1–25 : Boston; Chicago; Indianapolis; Los Angeles; New York City; Philadelphia; San Francisco; Washington, D.C.
26–50 
51–75 : Pittsburgh
76–100

Events in Washington, D.C. by century: 18th century · 19th century · 20th century · 21st century ·

Subcategories

This category has the following 11 subcategories, out of 11 total.

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Events in Washington, D.C. in the 1900s‎ (4 C)
Events in Washington, D.C. in the 1910s‎ (7 C)
Events in Washington, D.C. in the 1920s‎ (10 C)
Events in Washington, D.C. in the 1930s‎ (6 C)
Events in Washington, D.C. in the 1940s‎ (10 C)
Events in Washington, D.C. in the 1950s‎ (4 C)
Events in Washington, D.C. in the 1960s‎ (8 C)
Events in Washington, D.C. in the 1970s‎ (11 C)
Events in Washington, D.C. in the 1980s‎ (12 C)
Events in Washington, D.C. in the 1990s‎ (13 C)

D

Demonstrations and protests in Washington, D.C. in the 20th century‎ (8 C)

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