The Phillies sweep Brooklyn, 7 – 6 and 6 – 4, to end the string of 18 consecutive Brooklyn wins in Philadelphia‚ a major league mark. The last Phillie victory at home against the Bums was on May 5‚ 1945.

On August 11, 1946 — The Phillies sweep Brooklyn, 7 – 6 and 6 – 4, to end the string of 18 consecutive Brooklyn wins in Philadelphia‚ a major league mark. The last Phillie victory at home against the Bums was on May 5‚ 1945.

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