Jagdpanther had a cannon that was previously used on the German heavy tank used during what event?
Tiger II Tiger II is the common name of a German heavy tank of the Second World War. The final official German designation was Panzerkampfwagen" Tiger "Ausf". B, often shortened to Tiger B. The ordnance inventory designation was "Sd.Kfz." 182. It is also known under the informal name Königstiger" (the German name for the Bengal tiger), often translated literally as Royal Tiger, or somewhat incorrectly as King Tiger by Allied soldiers, especially by American forces.
Vickers T-15 light tank The Vickers T-15 light tank, full designation Char Léger de Reconnaissance Vickers-Carden-Loyd Mod.1934 T.15, was a light 4-ton tank of the Belgian Army. They were built by Vickers-Armstrong in the UK to the design of the Light Tank Mark III and outfitted with their armament in Belgium by "Fonderie Royale de Canons" (FRC) at Herstal. It entered service in 1935, and was used by the Belgian Army during the Battle of Belgium in May 1940. Its main armament was a 13.2 mm Hotchkiss machine gun. The tank was intended as a replacement for the venerable but obsolescent Renault FT. Only 42 were produced.