Wagner Group rebellion
In 2014, Russian oligarch Yevgeny Prigozhin founded the Wagner Group. It is a Russian private military company. Because of the Russian invasion of Ukraine in 2022, Yevgeny Prigozhin and Wagner Group got more influence in the military. The estimated number of Wagnerites grew from "several thousand" fighters in 2017–2018 to around 50,000 fighters by January 2023.