Flag of Vietnam control of Vietnam in the late 19th century, flew the national flag of France. As the colony of Cochinchina (1864–1945), the South was under exclusive French authority. In contrast, North and Central Vietnam were protectorates with parallel systems of Vietnamese and French administration. Several flags were flown in these regions: the French flag, the Vietnamese imperial flag, and a "protectorate flag." From 1920 to 1945, the Vietnamese imperial flag had a yellow background with a single, broad red stripe. Japan occupied Vietnam in 1941-1945. In March 1945, the Japanese deposed the French colonial authorities and proclaimed an Empire of Vietnam
Flag of Europe yellow colours, and the stars, although of a different number and colour, are a direct reference to those of the European flag. Likewise, Kosovo uses blue, yellow and stars in its flag, which has been mocked as "a none too subtle nod to the flag of the European Union, which is about to become Kosovo's new best friend as it takes over protector status from the United Nations". The flag of the Brussels-Capital Region (introduced in 2016) consists of a yellow iris with a white outline upon a blue background. Its colours are based on the colours of the Flag