1886 – The New York State League admits clubs from Buffalo, Toronto and Hamilton. The inclusion of the Canadian teams causes the league to change its name to the International League.

On March 18, 1886 — 1886 – The New York State League admits clubs from Buffalo, Toronto and Hamilton. The inclusion of the Canadian teams causes the league to change its name to the International League.

Sources –
Baseball Reference March 18
SABR Games Project
National Pastime March 18
Retro Sheet
Replay The Game

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