Columbia City Councilmember Nick Knoth was ousted in an April 2 Recall, 531-394. The recall election took place on the with the regularly scheduled municipal election day. A replacement race hasn't been scheduled, but it looks like it won't take place before August. 

Petitioners handed in 421 signatures and (it seems) 370 were verified. They needed 336. 

The last recall in Columbia was Councilmember Chester Edwards in 1990, though one official resigned in the face of a recall in 2015.