The last time there was an actual vote was 1984, against Councilman Arthur Snyder. He survived, but resigned the next year in a custody battle.
The last school board member to be removed was Howard Miller in 1979 over busing issues.
The attempt against Councilman Jack Weiss in 2007 fell a little bit short of the 23000 signatures -- Weiss managed to raise $68,000 to fight the recall. The story also notes the failed effort against Councilwoman Janice Hahn in 2010.