The Mannlicher–Schönauer (sometimes Anglicized as "Mannlicher Schoenauer," Hellenized as Τυφέκιον Μάνλιχερ or Όπλον Μάνλιχερ-Σενάουερ) is a type of rotary-magazine bolt-action rifle produced by Steyr Mannlicher for the Greek Army in 1903 and later was also used in small numbers by the Austro-Hungarian armies. Post war use was for civilian use such as hunting and target practice.

Based on that paragraph can we conclude that this sentence is true?
Steyr Mannlicher was founded in 1901.
It's impossible to say