The Knights Cross of the Iron Cross was originally introduced in 1813 but the Knights Cross of World War Two was re-introduced in 1939. Like the Iron Cross itself it had the year of its re-introduction embodied into it. About 7,318 of these awards were presented to members of all branches of the German armed forces.

The Knights Cross with Oak Leaves
Introduced on June 3, 1940, was awarded to Knights Cross recipients for further acts of courage. A fan of 3 Oak Leaves in silver surmounted the paper clip hanger.

The Knight's Cross with Oak Leaves and Swords
Introduced on July 15, 1941. This award was meant for recipients of the Oak leaves who showed further acts of courage. A pair of crossed swords at 40 degrees was added below the Oak Leaves cluster.

The Knights Cross with Oak Leaves, Swords and Diamonds
Introduced at the same time as the Oak Leaves and Crossed Swords and again presented for yet further acts of bravery. Only 27 received this award.