Isthmus of Perekop
In early November with the Perekop–Chongar operation, the Bolsheviks won decisive victories and entered Crimea proper. Between 7 and 17 November it broke through Russian Army defenses on the Isthmus of Perekop, crossing the Sivash and capturing the Lithuanian Peninsula, the fortified , Yushun, and Chongar positions. After breaking through at Perekop, the front advanced into Crimea. Wrangel initiated an evacuation of 146,000 people to Constantinople with the last boats departing on 16 November. With this withdrawal, the final remnants of the White forces in European Russia were defeated.