The installation of Al-Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah ibni Almarhum Sultan Haji Ahmad Shah Al-Musta'in Billah as the sixteenth Yang di-Pertuan Agong of Malaysia took place in a Malay Royal Ceremony at the Balairong Seri, Istana Negara, Kuala Lumpur on Tuesday, 30 July 2019 at 10 a.m.

On 31 January 2019, the 251st Special Conference of Rulers was held in conjunction with the Ratification of the Ceremony and Signing of the Oath of Yang di-Pertuan Agong XVI and was followed by the declaration of office.

[1] Abdullah of Pahang and his queen consort, Tunku Azizah Aminah Maimunah Iskandariah departed at 9:15 a.m. on a special aircraft from the Royal Malaysian Air Force Base (Kuantan), Kuantan, Pahang and landed at the Kompleks Bunga Raya, Kuala Lumpur International Airport (KLIA).

[4] The couple then headed to Parliament Square for a formal reception by the country's leaders and was welcomed by the Prime Minister of Malaysia Mahathir Mohamad and his wife Siti Hasmah Mohamad Ali along with Deputy Prime Minister of Malaysia Wan Azizah Wan Ismail and husband Anwar Ibrahim, before leaving for Istana Negara.

At the same time, the Royal Ranger Regiment Center Band consisting of an officer and 33 members led by Major Abdul Aziz Abdullah played "Negaraku".

Syed Danial then presented the oath of office for the Deputy Yang di-Pertuan Agong to Nazrin Shah of Perak.

Therefore, Tunku Azizah, as the Raja Permaisuri Agong, personally took part in the preparation of the ceremony to ensure the smoothness of the event.

Following two different events that fell on the same day, the Menteri Besar (Chief Minister), Wan Rosdy Wan Ismail in a statement issued by the Office of the Menteri Besar of Pahang, had said that the State Council Meeting on 12 June 2019 had determined that 30 July and 31 July 2019 would be a public holiday for the entire state of Pahang by virtue of the powers conferred under Subsection 9 (1) of the Holidays Act 1951 (Act 369).

Therefore, both of them, especially the Raja Permaisuri Agong, wished to restore sentimental value by reusing the thrones and royal outfits that were used during their father's installation.

However, Mahathir Mohamad, who at that time was the fourth Prime Minister, had met the Sultan a week before the ceremony and begged him to wear the outfit.

A few pieces of gold from the jewellery collection of her mother, Enche' Besar Hajah Kalsom binti Abdullah was also sewn, bringing the element something borrowed into the outfit.

Another person was a khat expert, Jainal Sakiban from Batu Pahat, Johor, who was the Raja Permaisuri Agong's Islamic religion teacher.

[12] Royal invitations were also sent out to a few foreign monarchs, including Hassanal Bolkiah of Brunei, Sheikh Mohammed bin Zayed Al Nahyan, the crown prince of Abu Dhabi and Ali Al-Hussein of Jordan.

The Pecah Bendera ceremony, in which the personal flags were broken and fluttered to mark the arrival of the main guests of the palace was held.

The arrival of both Yang di-Pertuan Agong and Raja Permaisuri Agong at the Istana Negara at 10:00 a.m. MYT was welcomed by the Prime Minister and Deputy Prime Minister to the Istana Negara, preceded by the sounding of fanfare trumpets of the Central Band of the Royal Armoured Corps.

The couple were escorted in by the Grand Chamberlain of the Royal Household (Datuk Paduka Maharaja Lela), Azuan Effendy Zairakithnaini, and palace officers bearing the Regalia of Malaysia together with their aides-de-camp.

[13][14] Azuan Effendy then returned to the room with the Datuk Penghulu Istiadat, Pegawai Agama Istana Negara and a few palace officials who brought in a Quran and a few other regalias while the Royal Nobat performed the song "Menjunjung Duli".

Abdullah accepted it, and show his respect by kissing the holy book before putting it on the special rehal which was located on the small table in between the royal couple.

The proclamation then followed, in English:[15] In the name of God, Most Gracious, Most Merciful, this is to proclaim to all the people of Malaysia that His Royal Highness Al-Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah ibni Almarhum Sultan Ahmad Shah Al-Musta'in Billah has been duly elected by Their Royal Highnesses the Rulers of Malaysia, and today, on this auspicious and glorious day and time, shall be installed as the duly enthroned ruler of the Malaysian Nation with the title of His Majesty the sixteenth Yang di-Pertuan Agong.Afterwards, the Grand Chamberlain presented the Government Kris to Abdullah.

The Oath went as follows, in English:[15] In the Name of God, Most Gracious and Most Merciful: We, Al-Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah ibni Almarhum Sultan Ahmad Shah Al-Musta'in Billah, are truly grateful to God the Almighty, the Blessed, because of this election to the honourable office of the sixteenth Yang di-Pertuan Agong that has been happened because of His Benevolent Grace.

Therefore, we shall justly and faithfully perform our duties in the administration of the nation of Malaysia, in accordance to its laws and its sacred constitution, shall protect the Islamic religion at all times as mandated, and shall duly fulfil the rules of law and order and promote good governance in our country.After Abdullah finished reciting his oath, the nobat immediately played Raja Bertabal (King was installed) as the oath paper was returned to the Grand Chamberlain.

[14] The prime minister, Mahathir read the congratulatory speech to the Yang di-Pertuan Agong representing the government and people.

[16] The Palace Islamic Affairs Officer, Datuk Abd Aziz Che Yacob led a prayer, concluding the ceremony.

The guests then stood again as Abdullah and Tunku Azizah left the Balairung Seri, escorted by the Azuan Effendy and Datuk Pengelola Bijaya Diraja, and the personnels bearing the royal regalia.

Pos Malaysia also released a mini-sheet, featuring the picture of Abdullah during his Oath taking ceremony earlier this year.