[1] Following aerial combat with Royal Air Force (RAF) Hawker Hurricane fighters on 2 September 1940, Rohwer made a forced landing in his Messerschmitt Bf 109 E in the English Channel off of Maidstone.

[4] On 20 June, Rohwer was temporarily appointed Gruppenkommandeur (group commander) of II.

[5] He replaced Hauptmann Hans von Hahn who had been relieved of his command on 15 June following the shooting of a sentry.

[4] On 29 November, Rohwer was shot down and wounded when his Messerschmitt Bf 109 G-2/R1 (Werknummer 13910—factory number) was hit by ground fire 6 kilometers (3.7 miles) south of the Chir.

[9] Rohwer was wounded on 29 March 1944 following a forced landing west of Osnabrück when he was strafed by marauding Lockheed P-38 Lightning fighters.

[1] Mathews and Foreman, authors of Luftwaffe Aces — Biographies and Victory Claims, researched the German Federal Archives and found records for 36 aerial victories, 26 of which on the Eastern Front and ten over the Western Allies.

The Luftwaffe grid map (Jägermeldenetz) covered all of Europe, western Russia and North Africa and was composed of rectangles measuring 15 minutes of latitude by 30 minutes of longitude, an area of about 360 square miles (930 km2).