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Concord, California

Located in Contra Costa County, California, Concord was established in 1869. The Port Chicago disaster of 1944 killed 320 people, mostly Black sailors, and the subsequent mutiny trial helped lead to the desegregation of the U.S. Navy. Concord is a BART terminus station, making it a popular East Bay commuter suburb.
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Founded 1869 | Population 131,127 | Peak 131,127 (2024) | County Contra Costa County

Top 10 Most Important Events for Concord, California

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1869Town Established: Named Todos Santos, later renamed Concord.
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1942Port Chicago Naval Weapons Station: Major ammunition loading facility for Pacific Theater WWII.
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1944Port Chicago Disaster: Ammunition explosion kills 320, mostly Black sailors. Leads to mutiny trial and helps desegregate Navy.
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1969BART Planned for Concord: Concord selected as terminus for new BART rapid transit system.
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1973BART Opens: Rapid transit connects Concord to San Francisco and Oakland.
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1976Sun Valley Mall Opens: Regional shopping center anchors city's commercial growth.
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2005Concord Naval Weapons Station Closed: Base closure opens 5,000 acres for massive redevelopment.
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2023Concord Naval Weapons Station Reuse Plan: Plans for 12,000+ homes on former base site advance.
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Latest News in Concord

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Complete Historical Timeline

1869 Culture
Town Established
1942 Government
Port Chicago Naval Weapons Station
1944 Disaster
Port Chicago Disaster
1969 Transport
BART Planned for Concord
1973 Transport
BART Opens
1976 Business
Sun Valley Mall Opens
2005 Government
Concord Naval Weapons Station Closed
2023 Business
Concord Naval Weapons Station Reuse Plan

Did You Know?

1
The Port Chicago disaster of 1944 killed 320 people, mostly Black sailors, and the subsequent mutiny trial helped lead to the desegregation of the U.S. Navy.
2
Concord is a BART terminus station, making it a popular East Bay commuter suburb.
3
The former Concord Naval Weapons Station is one of the largest urban redevelopment sites in the U.S.
4
Concord is located in Contra Costa County, California.
5
Concord was founded in 1869.
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