Ed Karger of the Cardinals throws a perfect game against the Boston Doves in the second game of a doubleheader, shortened to 7 innings by prior agreement.

On August 11, 1907 — Ed Karger of the Cardinals throws a perfect game against the Boston Doves in the second game of a doubleheader, shortened to 7 innings by prior agreement.

Source:
Baseball Reference August 11
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game