03/04/1900 - Brooklyn, NY - Star Theater
Ernest Roeber vs Professor Atlas
03/10/1900 - New York, NY - Broadway AC
Graeco-Roman: Ernest Ziegler vs John Piening
Leo Pardello vs Edwin Ruh
Catch-as-catch-can: Max Brenner vs Eyerhardt Halm
Graeco-Roman: John Kamerer vs Louis Wohleben
03/21/1900 - New York, NY - Madison Square Garden [II] (12,000)
American Graeco-Roman Heavyweight Title*: Beck Olsen (1-1 UTC) Ernest Roeber
George Bother (2-0) Jack Ryan
William Johnston (2-0) Gus La Rose
03/22/1900 - New York, NY - Unique Theater
Graeco-Roman: Kara Osman (NC) Louis Pardella
03/31/1900 - New York, NY - Hercules Club
August Foust vs Harry Hyams
plus boxing bouts
05/23/1900 - Naugatuck, CT - Gem Opera House
New England Middleweight Title*: Charles W. Mayser (2-0) Frank Burns
07/04/1900 - Brooklyn, NY - Bergen Beach
Graeco-Roman: August Faust vs Peter Hansen
11/30/1900 - New York, NY - Grand Central Palace
Graeco-Roman: Paul Pons (2-0) John Piening
12/18/1900 - New York, NY - Grand Central Palace
Amateur Exhibition: The Iceman (time limit draw) The Bear
Gustav Estel (time limit draw) Frederick Mohl
Exhibition: Hugh Leonard (time limit draw) Georg Bechtel
Exhitbition: George Bothner (06:30) Phil Brown
Open Challenge ($500 to anyone who Pons cannot throw in 30min): Paul Pons vs ???
Catch-as-catch-can Exhibition: Ernest Roeber vs James J. Jeffries (boxing champion) - cancelled
12/21/1900 - New York, NY - Grand Central Palace
Harvey Parker (20min plus 10min extension, dec) George Bothner
Graeco-Roman Heavyweight Title: John Piening (dec) August Faust
Researches by Don Luce, Hisaharu Tanabe