One of San Francisco’s oldest surviving homes, a circa-1850 mansion in Russian Hill, is coming on the market for $22 million.

Maps from the San Francisco Planning Department confirm that a piece of ... Sponsored In 1848, California was ceded to the United States by Mexico, and in 1850, it became a state. For existing ...

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The 10 hottest years since 1850 on Earth, when consistent modern ... ice sheets have melted and warming sea water has expanded. San Francisco Bay has risen 8 inches since the mid-1800s.