International Committee of the Red Cross relief workers in armed conflicts and is to be placed on humanitarian and medical vehicles and buildings. The original emblem that has a red cross on a white background is the exact reverse of the flag of neutral Switzerland. It was later supplemented by two others which are the Red Crescent, and the Red Crystal. The Red Crescent was adopted by the Ottoman Empire during the Russo-Turkish war and the Red Crystal by the governments in 2005, as an additional emblem devoid of any national, political or religious connotation. The official mission statement says that: "The International Committee of the
Flag of Sarawak originally made up of a cross, half blue and half red, on yellow, thought to be based on Brooke's coat of arms.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