Wednesday, 3rd June 1959
The State of Singapore formed with at the same day the Crown Colony's Office of the Governor was abolished. At one minute past midnight, the Governor proclaims Singapore a self-governing state. At 8.30am, he takes office as Yang di-Pertuan Negara, or Head of State. At 8.30am, Encik Yusof bin Ishak becomes Yang di-Pertuan Negara or the Head of State of Singapore. A celebration and mass rally by Peoples' Action Party (PAP) were held in the early evening at the Padang for Singapore gaining full self-government.