马来亚联邦
A Pan Malay Congress was held on 1 March 1946 (the first of several) which began UMNO. The organisations aim was to oppose the Malayan Union. Onn also managed to persuade the Sultan's to boycott the inauguration ceremony for the Malayan Union. The British capitulated and agreed that while the Malayan Union still commenced on 1 April 1946 negotiations began in July 1946 for its replacement.