Flag of Switzerland dates to 1540, in the context of an auxiliary force sent by the Swiss to aid their associate, the city of Rottweil, in a feud against the lords of Landenberg. The "Tagsatzung" decided that the Swiss auxiliaries sent to Rottweil should receive "a red flag with a white upright cross". The first mention of the term "Confederate Cross" ("Eidgenossen Crütz") dates to 1533. Because of the Swiss pledge of neutrality, there was no military conflict in which the Swiss confederate troops participated after 1540. Consequently, the confederate field sign fell out of use. At the same time, the former field
Flag of Switzerland The Swiss cross is defined as Swiss Standard German consistently uses (cognate with "vane") rather than the term used for national flags in Germany. The name of the flag of the Swiss Confederation is a nominal compound, . While the proportions of the cross have been fixed since 1889, the size of the cross relative to the flag (the width of the margin separating the "cross couped" from the edge of the flag) had not been officially fixed prior to 2017. The annex to SR 232.21 provides an image specifying that the margin is to be of the same width