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Flag of Sarawak originally made up of a cross, half blue and half red, on yellow, thought to be based on Brooke's coat of arms. There is a controversy on whether the first flag was made up of "purple" and red, or "blue" and red. On 7 May 1870, the colour of the half blue cross was changed to black by the second Rajah, Charles Brooke, and was hoisted on 26 September, the birthday of the then Rajah Muda Charles Vyner Brooke. It was retained as a coat-of-arms on a Blue Ensign when Sarawak was ceded to the British Crown on 1 July