Flag of Sweden cross pattée. Other historians claim that the Swedish flag was blue with a white cross before 1420, and became blue with a golden cross only during the early reign King Gustav I, who deposed King Christian II in 1521. The exact age of the Swedish flag is not known, but the oldest recorded pictures of a blue cloth with a yellow cross date from the early 16th century, during the reign of King Gustav I. The first legal description of the flag was made in a royal warrant of 19 April 1562 as "yellow in a cross fashioned on blue".
Swedish Parachute Ranger School the US Delta Force and British 22 SAS - only part of their training is provided by FJS. The Swedish Parachute Ranger School presents one colour. It was drawn by Ingrid Lamby and Kristina Holmgård-Åkerberg and embroidered by machine in appliqué technique by Engelbrektsson Flag factory. The colour was presented to the then Parachute Ranger Training Corps (FJS) at the Artillery Yard in Stockholm by the Supreme Commander, general Owe Wiktorin on 30 April 1996. It was used as corps colour by FJS until 1 July 2000. The colour may be used according to the decisions of CO K 3.