In Operation Lentil launched on 2-23-1944 450,000 Chechen and Ingush were rounded up

-Shaun Walker:  The Long Hangover, 2017, Oxford U. P.     https://books.google.com/books?id=3flADwAAQBAJ&printsec=frontcover&dq=Pomerantsev+nothing+is+true&hl=en&sa=X&ved=0ahUKEwj3zaCKmafdAhW5GDQIHSksDywQ6AEIQzAF#v=onepage&q=Pomerantsev%20nothing%20is%20true&f=false