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.