Despite participating in the National League from 1876 to 1877, only the current era beginning in 1892 is recognized, and that is the only period recognized as part of their Major League history.
Only the current era beginning in 1892 was participating in the National League from 1876 to 1877. Only the current era beginning in 1892 is recognized. That was participating in the National League from 1876 to 1877. That is the only period. This only period is recognized as part of their Major League history.