1900

Events from the year **1900 in the United States**.

Governors
* Governor of Alabama: Joseph F. Johnston (Democratic) (until December 1), William J. Samford (Democratic) (starting December 1)
* Governor of Arkansas: Daniel Webster Jones (Democratic)
* Governor of California: Henry Gage (Republican)
* Governor of Colorado: Charles Spalding Thomas (Democratic)
* Governor of Connecticut: George E. Lounsbury (Republican)
* Governor of Delaware: Ebe W. Tunnell (Democratic)
* Governor of Florida: William D. Bloxham (Democratic)
* Governor of Georgia: Allen D. Candler (Democratic)
* Governor of Idaho: Frank Steunenberg (Democratic)
* Governor of Illinois: John Riley Tanner (Republican)
* Governor of Indiana: James A. Mount (Republican)
* Governor of Iowa: Leslie M. Shaw (Republican)
* Governor of Kansas: William E. Stanley (Republican)
* Governor of Kentucky:
	+ until January 30: William S. Taylor (Republican)
	+ January 30-February 3: William Goebel (Democratic)
	+ starting February 3: J. C. W. Beckham (Democratic)
* Governor of Louisiana: Murphy James Foster Sr. (Democratic) (until May 8), William Wright Heard (Democratic) (starting May 8)
* Governor of Maine: Llewellyn Powers (Republican)
* Governor of Maryland: Lloyd Lowndes Jr. (Republican) (until January 10), John Walter Smith (Democratic) (starting January 10)
* Governor of Massachusetts: Roger Wolcott (Republican) (until January 4), Winthrop Murray Crane (Republican) (starting January 4)
* Governor of Michigan: Hazen S. Pingree (Republican)
* Governor of Minnesota: John Lind (Democratic)
* Governor of Mississippi: Anselm J. McLaurin (Democratic) (until January 16), Andrew H. Longino (Democratic) (starting January 16)
* Governor of Missouri: Lon Vest Stephens (Democratic)
* Governor of Montana: Robert Burns Smith (Democratic)
* Governor of Nebraska: William A. Poynter (Democratic)
* Governor of Nevada: Reinhold Sadler (Silver)
* Governor of New Hampshire: Frank W. Rollins (Republican)
* Governor of New Jersey: Foster MacGowan Voorhees (Republican)
* Governor of New York: Theodore Roosevelt (Republican)
* Governor of North Carolina: Daniel Lindsay Russell (Republican)
* Governor of North Dakota: Frederick B. Fancher (Republican)
* Governor of Ohio: Asa S. Bushnell (Republican) (until January 8), George K. Nash (Republican) (starting January 8)
* Governor of Oregon: T. T. Geer (Republican)
* Governor of Pennsylvania: William A. Stone (Republican)
* Governor of Rhode Island: Elisha Dyer Jr. (Republican) (until May 29), William Gregory (Republican) (starting May 29)
* Governor of South Carolina: Miles Benjamin McSweeney (Democratic)
* Governor of South Dakota: Andrew E. Lee (Populist)
* Governor of Tennessee: Benton McMillin (Democratic)
* Governor of Texas: Joseph D. Sayers (Democratic)
* Governor of Utah: Heber Manning Wells (Republican)
* Governor of Vermont: Edward Curtis Smith (Republican) (until October 4), William W. Stickney (Republican) (starting October 4)
* Governor of Virginia: James Hoge Tyler (Democratic)
* Governor of Washington: John Rankin Rogers (Democratic)
* Governor of West Virginia: George W. Atkinson (Republican)
* Governor of Wisconsin: Edward Scofield (Republican)
* Governor of Wyoming: DeForest Richards (Republican)

Lieutenant Governors
* Lieutenant Governor of California: Jacob H. Neff (Republican)
* Lieutenant Governor of Colorado: Francis Patrick Carney (Populist)
* Lieutenant Governor of Connecticut: Lyman A. Mills (Republican)
* Lieutenant Governor of Idaho: J. H. Hutchinson (Democratic)
* Lieutenant Governor of Illinois: William Northcott (Republican)
* Lieutenant Governor of Indiana: William S. Haggard (Republican)
* Lieutenant Governor of Iowa: James C. Milliman (Republican)
* Lieutenant Governor of Kansas: Harry E. Richter (Republican)
* Lieutenant Governor of Kentucky:
	+ until January 30: John Marshall (Republican)
	+ January 31-February 3: J. C. W. Beckham (Democratic)
	+ starting February 3: vacant
* Lieutenant Governor of Louisiana: Robert H. Snyder (Democratic) (until May 8), Albert Estopinal (Democratic) (starting May 8)
* Lieutenant Governor of Massachusetts: Winthrop M. Crane (Republican) (until January 4), John L. Bates (Republican) (starting January 4)
* Lieutenant Governor of Michigan: Orrin W. Robinson (Republican)
* Lieutenant Governor of Minnesota: Lyndon A. Smith (Republican)
* Lieutenant Governor of Mississippi: J. H. Jones (Democratic) (until month and day unknown), James T. Harrison (Democratic) (starting month and day unknown)
* Lieutenant Governor of Missouri: August Bolte (Democratic)
* Lieutenant Governor of Montana: Archibald E. Spriggs (political party unknown)
* Lieutenant Governor of Nebraska: Edward A. Gilbert (Republican)
* Lieutenant Governor of Nevada: James R. Judge (political party unknown)
* Lieutenant Governor of New York: Timothy L. Woodruff (Republican)
* Lieutenant Governor of North Carolina: Charles A. Reynolds (Republican)
* Lieutenant Governor of North Dakota: vacant
* Lieutenant Governor of Ohio: Asa W. Jones (Republican)(until January 8), John A. Caldwell (Republican) (starting January 13)
* Lieutenant Governor of Pennsylvania: John P. S. Gobin (Republican)
* Lieutenant Governor of Rhode Island: William Gregory (Republican) (until May 29), Charles D. Kimball (Republican) (starting May 29)
* Lieutenant Governor of South Carolina: Robert B. Scarborough (Democratic)
* Lieutenant Governor of South Dakota: John T. Kean (Republican)
* Lieutenant Governor of Tennessee: Seid Waddell (Democratic)
* Lieutenant Governor of Texas: James Browning (Democratic)
* Lieutenant Governor of Vermont: Henry C. Bates (Republican) (until October 4), Martin F. Allen (Republican) (starting October 4)
* Lieutenant Governor of Virginia: Edward Echols (Democratic)
* Lieutenant Governor of Washington: Thurston Daniels (Populist)
* Lieutenant Governor of Wisconsin: Jesse Stone (Republican)

## Events

### January - March

* January 1 – Hawaii asks for a delegate at the U.S. Republican National Convention.
* January 2
	+ John Hay announces the Open Door Policy to promote trade with China.
	+ The first electric bus becomes operational in New York City.
* January 3
	+ The United States Census estimates the country's population was 70 million.
	+ Giuseppe Verdi's opera *Aida* makes its U.S. debut.
* January 5 – Dr. Henry A. Rowland of Johns Hopkins University discovers the cause of the Earth's magnetism.
* January 8 – President of the United States William McKinley places Alaska under military rule.
* January 14 – The United States Senate accepts the Anglo-German treaty of 1899, in which the United Kingdom renounces its claims to the Samoan islands.
* January 17
	+ Brigham H. Roberts is refused a seat in the United States House of Representatives because of his polygamy.
	+ Yaqui Indians in Texas proclaim independence from Mexico.
* January 29 – The American League of Professional Baseball Clubs is organized in Philadelphia, Pennsylvania with 8 founding teams.
* February 3 – Kentucky Governor William Goebel dies of wounds after being shot by assassins on January 30. Goebel, who had prevailed in a dispute over the winner of the 1899 election, had been sworn in on his deathbed.
* February 5 – Britain and the United States sign a treaty for the building of a Central American shipping canal through Nicaragua.
* February 7
	+ San Francisco plague of 1900–1904 begins.
	+ After a 13-day special session, the California legislature votes for Thomas R. Bard to fill the vacancy for its U.S. Senator vacant since March 1899.
* February 9 – Dwight F. Davis creates the Davis Cup tennis tournament.
* March 5 – Two U.S. cruisers are sent to Central America to protect U.S. interests in a dispute between Nicaragua and Costa Rica.
* March 6 – A coal mine explosion in West Virginia kills 50 miners.
* March 15 – The Gold Standard Act is ratified, placing United States currency on the gold standard.
* March 24 – New York City Mayor Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that will link Manhattan and Brooklyn.

### April - June

* April 30
	+ Hawaii becomes an official U.S. territory
	+ Famous Train Engineer Casey Jones, dies in a wreck in Vaughan, Mississippi, while saving all of the passengers on his train.
* May 1 – Scofield Mine disaster: An explosion of blasting powder in coal mine in Scofield, Utah kills at least 200.
* May 23 – Sergeant William Harvey Carney is awarded the Medal of Honor for his actions in the Second Battle of Fort Wagner (July 18, 1863). While he is the 21st African American recipient of the medal, the action for which he is honored pre-dates all other African American recipients.
* June 7 – American temperance activist Carrie Nation enters a saloon in Kiowa, Kansas, and destroys its stock of alcoholic beverages with rocks.
* June 30 – Hoboken Docks Fire: A wharf fire at the docks in Hoboken, New Jersey owned by the North German Lloyd Steamship line spreads to German passenger ships *Saale*, *Main*, and *Bremen*. The fire engulfs the adjacent piers and nearby ships, killing 326 people.

### July - September

* July 25 – The Robert Charles Riots occur in New Orleans, Louisiana, United States.
* September 8 – The Galveston Hurricane makes landfall at Galveston, Texas, eventually killing 6,000–12,000 in the deadliest natural disaster in U.S. history.
* September 13 – Philippine–American War: Filipino resistance fighters defeat a large American column in the Battle of Pulang Lupa.
* September 17 – Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham at Mabitac.

### October - December

* October 3 – The Wright brothers begin their first manned glider experimental flights at Kitty Hawk, North Carolina.
* November 3 – The first automobile show in the United States opens at New York City's Madison Square Garden.
* November 6 – U.S. presidential election, 1900: Republican incumbent William McKinley is reelected by defeating Democratic challenger William Jennings Bryan on a record turnout of 73.7%.

## Memoriam

* January 2 – Zenas Bliss, Union Army general and Medal of Honor recipient (aged 64; Washington, DC, USA)
* January 22 – David Edward Hughes, inventor of the microphone and teleprinter (aged 68; London, England, UK)
* February 18 – Clinton L. Merriam, banker and politician (aged 75; Washington, DC, USA)
* February 20 – Washakie, head chief of the Eastern Snakes (aged 90; Fort Washakie, WY, USA)
* February 22 – Dan Rice, clown (aged 77; Long Branch, NJ, USA)
* March 19 – John Bingham, politician and lawyer (aged 85; Cadiz, OH, USA)
* April 4 – John Bidwell, pioneer, politician, and soldier (aged 80; Chico, CA, USA)
* April 7 – Frederic Edwin Church, landscape painter (aged 73; New York City, NY, USA)
* April 24 – Andrew Smith Hallidie, inventor and cable car pioneer (aged 64; San Francisco, CA, USA)
* April 30 – Casey Jones, legendary train engineer (aged 37; Vaughan, MS, USA)
* May 22 – Nathaniel P. Hill, U.S. Senator from Colorado from 1879 to 1885 (aged 68; Denver, CO, USA)
* June 11 – Belle Boyd, U.S. Civil War spy for the Confederacy (aged 56; Wisconsin Dells, WI, USA)
* June 12 – Lucretia Peabody Hale, journalist and author (aged 79; Belmont, MA, USA)
* July 14 – John H. Gear, U.S. Senator from Iowa from 1895 to 1900 (aged 75; Washington, DC, USA)
* August 2 – John Mason Loomis, lumber tycoon, Union militia colonel in the American Civil War and philanthropist (aged 75; Chicago, IL, USA)
* August 5 – Luke Pryor, U.S. Senator from Alabama in 1880 (aged 80; Athens, AL, USA)
* August 12 – James Edward Keeler, astronomer (aged 42; San Francisco, CA, USA)
* August 13 – Collis Potter Huntington, railroad promoter (aged 78; Camp Pine Knot, NY, USA)
* August 16 – John James Ingalls, U.S. Senator from Kansas from 1873 to 1891 (aged 66; Las Vegas, NM Territory, USA)
* September 5 – Arthur Sewall, shipbuilder (aged 64; Small Point, ME, USA)
* September 20 – John Alexander McClernand, lawyer, politician, and Union General during the American Civil War (aged 88; Springfield, IL, USA)
* September 23 – William Marsh Rice, philanthropist and founder of Rice University (aged 84; New York City, NY, USA)
* September 25 – John M. Palmer, U.S. Senator from Illinois from 1891 to 1897 (aged 83; Springfield, IL, USA)
* September 29 – Samuel Fenton Cary, Congressman and prohibitionist (aged 86; Cincinnati, OH, USA)
* October 20 – Charles Dudley Warner, essayist and novelist (aged 71; Hartford, CT, USA)
* October 22 – John Sherman, 32nd United States Secretary of the Treasury, 35th United States Secretary of State (aged 77; Washington, DC, USA)
* November 27 – Cushman Kellogg Davis, Governor of Minnesota from 1874 to 1876 and U.S. Senator from Minnesota from 1887 to 1900 (aged 62; St. Paul, MN, USA)
* December 21 – Roger Wolcott, lawyer and politician, 39th Governor of Massachusetts (aged 53; Boston, MA, USA)
* December 31 – J.T. Wamelink, Dutch-born composer (aged 73; Cleveland, OH, USA)