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80°F recorded in San Francisco, California

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 827,526 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 827,526 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 827,526 in 2024.

Events Before

  1. Brooklyn merges with New York City to form the present-day City of New York

    The City of Greater New York was the consolidation of the City of New York with Brooklyn, western Queens County, and Staten Island, which took effect on January 1, 1898.

  2. Painter Henri Matisse (28) weds Amélie Noellie Parayre

    Painter Henri Matisse (28) weds Amélie Noellie Parayre

  3. Australian cricketer Joe Darling hits the first six in Test cricket (out of the ground)

    Australian cricketer Joe Darling hits the first six in Test cricket (out of the ground)

  4. Poet Paul Laurence Dunbar (25) weds political activist and poet Alice Ruth Moore (22) in New York

    Poet Paul Laurence Dunbar (25) weds political activist and poet Alice Ruth Moore (22) in New York

  5. Battle of Atbara River: Anglo-Egyptian forces defeat 15,000 Sudanese during the Mahdist War, a turning point in the reco

    Battle of Atbara River: Anglo-Egyptian forces defeat 15,000 Sudanese during the Mahdist War, a turning point in the reconquest of Sudan

Events After

  1. Compulsory primary school education in the Netherlands goes into effect

    Education in the Netherlands is characterized by division: education is oriented toward the needs and background of the pupil.

  2. Giacomo Puccini's opera "Tosca", with a libretto by Luigi Illica and Giuseppe Giacosa, premieres at Teatro Costanzi in R

    Giacomo Puccini's opera "Tosca", with a libretto by Luigi Illica and Giuseppe Giacosa, premieres at Teatro Costanzi in Rome, Italy

  3. The Trades Union Congress and the Independent Labour Party (formed in 1893) meet in London, resulting in a Labour Repres

    The Trades Union Congress and the Independent Labour Party (formed in 1893) meet in London, resulting in a Labour Representative Committee and eventually the modern UK Labour Party in 1906

  4. Dutch botanist Hugo de Vries rediscovers Gregor Mendel's laws of heredity and genetics

    Dutch botanist Hugo de Vries rediscovers Gregor Mendel's laws of heredity and genetics

  5. US Secretary of State John Hay announces that all nations to whom he sent notes calling for an 'open door' policy in Chi

    US Secretary of State John Hay announces that all nations to whom he sent notes calling for an 'open door' policy in China have essentially accepted his stance

More from the 1890s

Physicist J. J. Thomson (33) weds Rose Elisabeth Paget

Physicist J. J. Thomson (33) weds Rose Elisabeth Paget

Ellis Island opens as a US immigration inspection station and becomes the gateway to the United States for more than 12

Ellis Island opens as a US immigration inspection station and becomes the gateway to the United States for more than 12 million people

German physicist Wilhelm Röntgen announces his discovery of X-rays

German physicist Wilhelm Röntgen announces his discovery of X-rays

Eritrea is consolidated into a colony by the Italian government

Eritrea, officially the State of Eritrea, is a country in the Horn of Africa region of East Africa. Its capital and largest city is Asmara.

Frequently Asked Questions

What happened on February 18, 1899?
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 827,526 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 80°F recorded in San Francisco, California 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 827,526 in 2024.

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February 18 in HistoryYear 1899