The cross has long been a symbol of Christianity: the Crusaders, the Cross of Malta...... Red and white can easily be seen during conflicts, be it on ambulances or a waving flag. It was assumed that,on seeing the red and white symbol, the enemy would realise that the wounded were being evacuated and would not attack them. In Muslim countries a green crescent on a white background is used.
Red.
Thai Red Cross Society was created in 1893.
Nepal Red Cross Society was created in 1963.
Lao Red Cross Society was created in 1955.
Cameroon Red Cross Society was created in 1960.
Lithuanian Red Cross Society was created in 2000.
Tonga Red Cross Society was created in 1961.
Zimbabwe Red Cross Society was created in 1981.
Kiribati Red Cross Society was created in 1965.
Samoa Red Cross Society was created in 1934.
Belize Red Cross Society was created in 1950.
Indian Red Cross Society was created in 1920.