Events from the year 1900 in the United States.

Incumbents

Federal government

{| class="wikitable collapsible collapsed" ! Governors and lieutenant governors

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) (until end of December 31) • 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 (Populist)/(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 8) • Lieutenant Governor of Pennsylvania: John P. S. Gobin (Republican) • Lieutenant Governor of Rhode Island: William Gregory (Republican) (until May 29), Charles 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)

Demographics

Events

January–March

April–June

July–September

October–December

Undated

Ongoing

Births

Deaths