1900 in Argentine football saw English High School

Alumni Athletic Club

Asociación Alumni, usually just Alumni, is a rugby union and former football club located in Tortuguitas, Greater Buenos Aires, Argentina.-The beginning:...

 win their first Argentine championship. The international Tie Cup

Tie Cup

The Tie Cup is a defunct international football tournament played between representatives of the Argentine league , Rosario league and the Uruguayan football Association...

 was played for the first time, the inaugural winners were Belgrano Athletic.

Primera división

The championship continued with the 4 team league format, with each team playing the other twice.

Final standings

{| cellpadding=0 cellspacing=0 width=100%
|-
|width=55%|
{| border=1 style="border-collapse:collapse" cellspacing=0 cellpadding=5
|- align=center
!bgcolor=#efefef width=20%|Team
!bgcolor=#efefef width=5%|Pts
!bgcolor=#efefef width=5%|Pld
!bgcolor=#efefef width=5%|W
!bgcolor=#efefef width=5%|D
!bgcolor=#efefef width=5%|L
!bgcolor=#efefef width=5%|GF
!bgcolor=#efefef width=5%|GA
!bgcolor=#efefef width=5%|GD
|- align=center bgcolor="gold"
|align=left| English High School

Alumni Athletic Club

Asociación Alumni, usually just Alumni, is a rugby union and former football club located in Tortuguitas, Greater Buenos Aires, Argentina.-The beginning:...

|11||6||5||1||0||18||3||+15
|- align=center
|align=left| Lomas Athletic Club

Lomas Athletic Club

Lomas Athletic Club is a sports club from Lomas de Zamora, Buenos Aires, Argentina. One of Argentina's oldest clubs still in existence, Lomas is one of the four clubs that founded the Argentine Rugby Union...

|5||6||2||1||3||9||9||+0
|- align=center
|align=left| Belgrano Athletic
|4||6||2||0||4||8||13||-5
|- align=center
|align=left| Quilmes

Quilmes Atlético Club

Quilmes Atlético Club is a sports clubs of Argentina, based on the Partido de Quilmes, Buenos Aires Province. Quilmes is one of the oldest clubs of Argentina, having been founded in 1887. Its football squad currently plays in the Primera B Nacional Division....

|4||6||2||0||4||9||19||-10
|- align=center
|}

Final

{| width=100% cellspacing=1
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!width=12%|
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|-
|26 August 1900
|- style=font-size:90%
|align=right|  Belgrano Athletic
|align=center| 2–0
|  Rosario Athletic
|
|-
|}