Probably less than a thousand; as tanks were new, not that many of them, slow, unreliable, not used alot, and broke down frequently.
6,928,382 Russian people died in world war one.
61 died
go and read the war memorial.
9,700,000 soldiers6,800,000 civilians~16,500,000 total
Upwards of 16 million. There are different estimates as many soldiers and civilians were unaccounted for as missing or prisoners of war.
Making History II: The War of the World Teaser
The First World War as Fuel for the Second War
Opposition in the US to Enter World War 2
The US Entrance into World War 2