1899–1900 Scottish Football League
1899–1900 Penn State Nittany Lions basketball team
1899–1900 collegiate men's basketball season in the United States
1899–1900 Michigan State Spartans men's basketball team
1899–1900 Rangers F.C. season
1899–1900 Swiss Serie A
1899–1900 FC Barcelona season
1899–1900 in Belgian football
1899–1900 Football Tournament
1899–1900 Welsh Amateur Cup
1899–1900 in Scottish football
1899–1900 in English football
1899–1900 Belgian First Division
1899–1900 Irish League
1899–1900 Netherlands Football League Championship
1899–1900 Northern Rugby Football Union season
1899–1900 Bucknell Bison men's basketball team
List of Australian intercolonial cricket matches
1899–1900 United States collegiate men's ice hockey season
1899–1900 St Helens RLFC season
1899–1900 Southern Football League
1899–1900 Aston Villa F.C. season
1899–1900 French Rugby Union Championship
1899–1900 Kansas Jayhawks men's basketball team
V606 Aquilae