"Kampfgeschwader 77 was formed on 1 May 1939 at Praha-Kbely[1] in Czechoslovakia with Stab./KG 77 and I Gruppe. II Gruppe at Praha-Kbely on the same date. The unit was allocated to Luftflotte 4, and equipped with the Do 17Z, while III./KG 77 was not made operational until 26 August 1939, again in Königgrätz, now Hradec Králové.'
