This refers to the , nicknamed the "Polar Bears," who were sent to Northern Russia in 1918.
The "Russian Polar Bear" refers to several distinct cultural and historical entities, ranging from a decorated military unit to a viral internet "creepypasta." Depending on which one you're looking for, here are the reviews: russian_polar_bear
In Russia, they are called beliy medved (white bear) [13, 21]. This refers to the , nicknamed the "Polar