Talk:Scythes of the Emperor

Founding
"The Scythes of the Emperor (sometimes referred to as the Emperor's Scythes) was designated Space Marine Chapter 874, and was Founded approximately in the years 500 - 600.M41, making them one of the Imperium's relatively newest brotherhoods of Space Marines. "

May someone help tell which source the founding date came from?

--&#61;Shas&#39;o&#39;Kais&#61; Mobility, Technology, Firepower - In the name of the Greater Good; we will triumph. (talk) 11:15, December 12, 2013 (UTC)