2011 Wisconsin Senate recall elections

The 2011 Wisconsin Senate recall elections were a series of recall elections for nine Wisconsin state senators held on July 19, 2011, August 9, 2011, and August 16, 2011. Nine of the 33 seats in the Wisconsin Senate were up for election—all even-numbered districts.

Source: Wikipedia — 2011 Wisconsin Senate recall elections (CC BY-SA 4.0)