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See details Arlington County Government offices and services are operating on modified schedules for the Juneteenth holiday - Jun. 18-19.

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Arlington Celebrates Its Naming Centennial

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100 Years Ago: Call to Rename Alexandria County “Arlington”

When would-be spectators missed an Alexandria County parade by showing up in the City of Alexandria, the Civic Federation began advocating for a change of name.

A Peek at the Census: Celebrating Arlington Then and Now (1920-2020)

View the data, stories and more. If you have updates, please send them to census1920@arlingtonva.us

Who lived in Arlington?

How many people lived in Arlington in 1920? Find out the answer — and more about what happened 100 years ago, on January 16, 1920.

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Story Map

The Arlington Historical Society has unveiled an interactive StoryMap showcasing Arlington homes, schools, churches, government, stores & transportation in 1920.

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Center for Local History

Conveniently browse thousands of historic County materials online, or take a trip in person to our research room located at the Center for Local History.

Library Exhibit Pays Tribute to Women in Arlington

This and other events throughout the year commemorate Arlington County’s 100th anniversary and the 100 years since the passage of the 19th Amendment.