1891 MLB Imperialism Map

Territory Changes

Team Territory Control

This table shows all teams sorted by the number of territories they control.

Final standings: the Milwaukee Brewers finished on top with 9 of 17 territories (52.9%).

Team Territories Controlled
Milwaukee Brewers 9 (52.9%)
Philadelphia Phillies 8 (47.1%)

Play with the MLB Map

Simulate your own territory battles: spin the wheel, input results, and see what happens.

Imperialism Map is proudly sponsored by another of my projects:

Territory Creator


Sales territory management software

Because not all territorial conquests happen on the field.

Territory Mapping Software

How MLB Territory Conquest Works

  • Every team starts with the land closest to its ballpark.
  • Win a game and you take all of the loser's territory.
  • Territory carries over all season, with no resets until next year.
  • Click any territory to trace every team that held it.

Full Rules and FAQ

Data sources: Game data from Sports Reference; venue data from VenueStats .

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Season Records

The standout territory feats of the season.

Biggest Land Grab
+9
in a single day (1891-09-28)
Longest Reign
9
straight days as leader
Most Conquered
111
territories taken all season
Biggest Collapse
−9
lost in one day (1891-09-29)

Team Directory

Each team's season at a glance — days spent leading the map, largest empire, territory conquered, and the rise-and-fall sparkline. Sorted by who dominated.

Congress Street Grounds

14 days led peak 9 +88 taken

Eclipse Park I

14 days led peak 9 +49 taken

Borchert Field

8 days led peak 9 +18 taken

Athletic Park

8 days led peak 9 +81 taken

Baker Bowl

5 days led peak 8 +90 taken

West Side Park I

3 days led peak 8 +43 taken

South Side Park II

3 days led peak 8 +43 taken

Cincinnati's League Park

2 days led peak 8 +44 taken

Recreation Park II

1 day led peak 9 +77 taken

Forepaugh Park

1 day led peak 9 +41 taken

Walpole Street Grounds

0 days led peak 8 +111 taken

Oriole Park II

0 days led peak 8 +59 taken

Pendleton Park

0 days led peak 8 +63 taken

Dunn Field

0 days led peak 8 +31 taken

Eastern Park

0 days led peak 8 +73 taken

Exposition Park III

0 days led peak 8 +72 taken

Polo Grounds

0 days led peak 8 +60 taken

Boundary Field

0 days led peak 8 +25 taken

Explore MLB Through the Years

All 156 MLB seasons, 1871 to 2026. Replay any of them game by game, or make your own version.

Questions or Feedback?

Got ideas for making these maps better? Found something weird? Want to suggest a new feature?