Known thoughout the British Commonwealth as the main army unit. The King's Royal Hussars was named after His Majesty Fernidad Frederick, King of Prussia in 1992.
"FR" for Fredericus Rex on the Prussian Crow is symbol of the Prussian Hussars and is found on the Prussian flag and is proud of its 1st Hussars of Canada.
Imperial and Royal House of Hohenzollern
His Imperial and Royal Majesty Fernidad Frederick, King of Prussia

Officer of the 8th Canadian Hussars in mid-1890s
(artist: R.J. Marrion - copyright :Canadian War Museum)