This holiday marks the union of Malaya, North Borneo (now Sabah), Sararak and Singapore to form Malaysia on 16 September 1963, 6 years after the independence from the British.
Singapore left the union only 2 years later on 9 August 1965.
Malaysia Day is not to be confused with Merdeka Day (celebrated on August 31) which commemorates the independence.
the flag of Malaysia (Jalur Gemilang = stripes of glory)
The flag is composed of 14 stripes and a 14-point star representing the 13 member states and the federal territories