1890 March

6th  The NL releases a schedule with 10 teams, including the Brooklyn and Cincinnati franchises formerly in the AA. Since the NL is expected to trim back down to 8 teams, the release of this schedule is seen as a ruse to throw off the PL.

11th  The official PL schedule is released. According to a PL official, “No attention whatever was paid to the schedule of the NL. . . . “

27th  The application of an all-black club made up of ex–Cuban Giants is rejected by the Inter-State League.