On This Day
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First great fire of early San Francisco starts east side of the Plaza, first of great seven fires in 2 years

San Francisco, officially the City and County of San Francisco, is the fourth-most populous city in California and the 17th-most populous in the United States, with a population of 867,567 in 2024.

San Francisco, officially the City and County of San Francisco, is the fourth-most populous city in California and the 17th-most populous in the United States, with a population of 867,567 in 2024. Among U.S. cities with a population of 300,000 or more, San Francisco is ranked first by per capita income, second by population density, and sixth by aggregate income as of 2023. Some 4.6 million residents live in the city's metropolitan statistical area, which is the 13th-largest in the United States. Around 9.2 million live in the San Jose–San Francisco–Oakland combined statistical area, the fifth-largest in the United States.

Prior to European settlement, San Francisco was inhabited by the Yelamu Ohlone.

Historical Significance

San Francisco, officially the City and County of San Francisco, is the fourth-most populous city in California and the 17th-most populous in the United States, with a population of 867,567 in 2024.

Events Before

  1. British forces forcibly seize the port of San Juan del Norte (later Greytown) from Nicaragua

    British forces forcibly seize the port of San Juan del Norte (later Greytown) from Nicaragua

  2. James Marshall finds gold in Sutter's Mill in Coloma, California [1]

    The California gold rush (1848–1855) was a gold rush in California, which began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California.

  3. Treaty of Guadalupe Hidalgo ends the Mexican–American War. Mexico loses 55 percent of its territory to the US, including

    Treaty of Guadalupe Hidalgo ends the Mexican–American War. Mexico loses 55 percent of its territory to the US, including California, Nevada and Utah in exchange for $15 million.

  4. Karl Marx and Friedrich Engels publish "The Communist Manifesto" in London

    The Communist Manifesto (German: Das Kommunistische Manifest), originally the Manifesto of the Communist Party (Manifest der Kommunistischen Partei), is a political pamphlet written by Karl Marx and…

  5. Confederate General James Longstreet (27) weds Maria Louisa Garland in Lynchburg, Virginia

    Confederate General James Longstreet (27) weds Maria Louisa Garland in Lynchburg, Virginia

Events After

  1. Senator Henry Clay drafts the Compromise of 1850 to defuse tensions between slave states and free states over territorie

    Senator Henry Clay drafts the Compromise of 1850 to defuse tensions between slave states and free states over territories won during the Mexican–American War

  2. French writer and playwright Honoré de Balzac marries Ewelina Hańska in Berdyczów, Ukraine

    French writer and playwright Honoré de Balzac marries Ewelina Hańska in Berdyczów, Ukraine

  3. American Union Army General William Tecumseh Sherman (30) weds Eleanor Boyle Ewing in Washington, D.C., until her death

    American Union Army General William Tecumseh Sherman (30) weds Eleanor Boyle Ewing in Washington, D.C., until her death in 1888

  4. Poet Alfred Tennyson (40) weds Emily Sellwood (36)

    Poet Alfred Tennyson (40) weds Emily Sellwood (36)

  5. First public demonstration of ice made via refrigeration by Florida physician John Gorrie

    First public demonstration of ice made via refrigeration by Florida physician John Gorrie

More from the 1840s

Richard Wagner's opera "The Flying Dutchman" premieres in Dresden, Kingdom of Saxony

Richard Wagner's opera "The Flying Dutchman" premieres in Dresden, Kingdom of Saxony

Explorer and medical missionary David Livingstone (31) weds Mary Moffat

David Livingstone (19 March 1813 – 1 May 1873) was a Scottish doctor, Congregationalist, pioneer Christian missionary with the London Missionary Society, and an explorer in Africa.

First recorded bowling match in the US takes place at Knickerbocker Alleys, New York

First recorded bowling match in the US takes place at Knickerbocker Alleys, New York

New York Illustrated News, the first illustrated weekly magazine in the US, publishes its first issue in New York

The Illustrated London News, founded by Herbert Ingram and first published on Saturday 14 May 1842, was the world's first illustrated weekly news magazine.

Frequently Asked Questions

What happened on December 24, 1849?
San Francisco, officially the City and County of San Francisco, is the fourth-most populous city in California and the 17th-most populous in the United States, with a population of 867,567 in 2024. Among U.S. cities with a population of 300,000 or more, San Francisco is ranked first by per capita income, second by population density, and sixth by aggregate income as of 2023.
Why is First great fire of early San Francisco starts east side of the Plaza, first ... significant?
San Francisco, officially the City and County of San Francisco, is the fourth-most populous city in California and the 17th-most populous in the United States, with a population of 867,567 in 2024.

Explore More

December 24 in HistoryYear 1849