

April 19 – The Clayton–Bulwer Treaty is signed by the United States and Great Britain, allowing both countries to share Nicaragua, and not claim complete control over the proposed Nicaragua Canal.Angers Bridge collapses in France killing around 226 of the soldiers crossing it at the time.San Francisco is incorporated as a city in California.April 4 – Los Angeles is incorporated as a city in California.Stephen Foster's parlor ballad " Ah! May the Red Rose Live Alway" is published in the United States.Pope Pius IX returns from exile to Rome.March 31 – The paddle steamer RMS Royal Adelaide, bound from Cork to London, sinks in the English Channel.

March 19 – American Express is founded by Henry Wells and William Fargo.March 16 – Nathaniel Hawthorne's historical novel The Scarlet Letter is published in Boston, Massachusetts.March 7 – United States Senator Daniel Webster gives his "Seventh of March" speech, in which he endorses the Compromise of 1850, in order to prevent a possible civil war.March 5 – The Britannia Bridge opens over the Menai Strait in Wales.February 28 – The University of Utah opens in Salt Lake City.January 31 – The University of Rochester is founded in Rochester, New York.January 29 – Henry Clay introduces the Compromise of 1850 to the United States Congress.Wikimedia Commons has media related to 1850. Millennium:ġ850 in various calendars Gregorian calendar As of the start of 1850, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923. 1850 ( MDCCCL) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1850th year of the Common Era (CE) and Anno Domini (AD) designations, the 850th year of the 2nd millennium, the 50th year of the 19th century, and the 1st year of the 1850s decade.
