Omar Ali Saifuddien III Is The Father of The Nation of Brunei. He was known as The Architect of Modern Brunei, The Royal Poet, The Father of Independence, and The Father of Brunei Negara Zikir.
On 29 September 1959, the Constitution Agreement was signed in Bandar Seri Begawan. The agreement was signed by Sultan Omar Ali Saifuddien III and Sir Robert Scott, the Commissioner-General for Southeast Asia. The Sultan was made the Supreme Head of State.