During its time of service, the palace was frequently used to celebrate and commemorate royal engagements. It was also where then-Prince
Hassanal Bolkiah received his early education through private tuition at the palace's
surau before attending higher education in both Brunei and Malaysia. Sultan Omar Ali Saifuddien III revived ancient royal customs and ceremonies passed down from previous sultans to ensure that they were known and practiced by the people of Brunei. Among these revived traditions were the awarding of
honours in ceremonies held since 1954 and the royal wedding procession of
Princess Nor'ain and
Pengiran Anak Mohammad Yusof in 1967. The sultan and his family were still at the palace on the night of the uprising, joined by a number of state dignitaries and six police officers. Several key historical events held at Istana Darul Hana consisted of the birth of
Prince Sufri Bolkiah on 31 July 1952, followed by the birth of
Prince Jefri Bolkiah on 6 November 1954. On 4 October 1967, the palace witnessed the abdication of Sultan Omar Ali Saifuddien III, and on 5 October, he passed the throne to his son, Crown Prince Hassanal Bolkiah, who became Sultan Hassanal Bolkiah. and the births of
Princess Rashidah Sa'adatul Bolkiah on 26 July 1969,
Princess Muta-Wakkilah Hayatul Bolkiah on 12 October 1971, and then-Prince
Al-Muhtadee Billah on 17 February 1974. == Gallery ==