Sang Saka Merah Putih17 August 1945 (Based on Majapahit kingdom flag)two equal horizontal bands, red (top) and white (bottom) with an overall ratio of 2:3.

Flag of the Republic of Indonesia

The National flag of Indonesian, which is known as Sang Saka Merah Putih ("The Red and White") in Indonesian,[ased on the flag of the 13th century Majapahit kingdom in East Java. The flag it self was introduced and hoisted in public at the Indonesian Independence Day ceremony, on 17 August 1945. The design of the flag has remained the same ever since.

The design of the flag is simple with two equal horizontal bands, red (top) and white (bottom) with an overall ratio of 2:3. The flag is similar to the flag of Poland and flag of Singapore. The flag is identical to the flag of Hesse (a German state) and flag of Monaco, excluding the ratio. Red represents courage, while white represents purity of intent.

NameThe official name of the flag is Sang Merah Putih (The Red White) according to Article 35 of the 1945 Constitution. The flag is commonly called Bendera Merah Putih (Red White Flag). Occasionally, it is also called Sang Dwiwarna (The bicolor). Sang Saka Merah Putih (The Lofty Red White) refers to the historical flag called Bendera Pusaka (heirloom flag) and its replica. The Bendera Pusaka is the flag that was flown in front of Soekarno's house a few moments after he proclaimed Indonesia's independence on 17 August 1945. The original Bendera Pusaka was sewn by Mrs. Fatmawati. Soekarno, and was hoisted every year in front of the presidential palace during the independence day ceremony. It was hoisted for the last time on 17 August 1968. Since then it has been preserved and replaced by a replica because the original flag was deemed to be too fragile.