Concord (/ ˈkɒŋkərd / KON-kerd) [10] is the most populous city in Contra Costa County, California, United States.

3 days ago · Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California, on Tuesday.

1 day ago · Seven miles above the Mojave Desert, a spindly white aircraft made history. Flanked by the snow-capped Tehachapi Mountains, the jet barreled through California’s supersonic corridor and, at a carefully chosen moment, nudged its way past the sound barrier.

Jan 16, 2025 · Concord, city, Contra Costa county, California, U.S. It lies 30 miles (50 km) east of San Francisco. The area was first inhabited by the Bay Miwok Indians and was explored by the Spanish in the late 18th century. A land grant, called Monte del Diablo, was made in 1834 to Don Salvio Pacheco.

3 days ago · Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave.

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Concord is the largest city in Contra Costa County, California, US. In the 2020 census, 125,410 people lived there. [5] Concord was founded in 1869. It was named Todos Santos at first, but the name was soon changed to Concord. The city is 31 miles (50 km) east of San Francisco.

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Find details on tourism and downtown, special, senior, and sports events. Special events applications permits. Review a list of holidays and dates observed by the city. Find public counter hours for City facilities. Browse some statistics to learn about the demographics in Concord. Learn about education and literacy efforts in Concord.

Concord is 29 miles (47 km) east of San Francisco, meaning that the commute through the Caldecott Tunnel and across the Bay Bridge can be done in approximately 30 minutes when …