A chart of all major league seasons of all major league baseball teams, ever.

This is a chart of all major league teams’ seasons of major-league baseball ever played, including all leagues and years determined by the powers that be as major-league. It is available as a fairly large PNG file, and as an SVG. The exact appearance of the SVG file will depend greatly on your rendering software and results are not guaranteed. Results are not guaranteed for the PNG file either. Nothing on this website is guaranteed.

A timeline chart, over 30,000 pixels wide, with dozens of rows, and columns from 1876 to 2024. Colored stripes and arrows show baseball teams season by season, including name changes, moves to other cities, pennants, World Serieses, and year of racial integration. The chart includes essentially all data from https://en.wikipedia.org/wiki/Timeline_of_Major_League_Baseball.