KDYTM Tengku Mahkota Pahang,
Tengku Abdullah Al-Haj Ibni Sultan Haji Ahmad Shah Al-Musta'in Billah
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Kebawah Duli Yang Teramat Mulia Tengku Mahkota Pahang Tengku Abdullah Al-Haj Ibni Sultan Haji Ahmad Shah Al Musta'in Billah, was born on July 30, 1959 at Istana Mangga Tunggal, Bandar DiRaja Pekan, Pahang Darul Makmur. His Highness is the son of Sultan Haji Ahmad Shah Al-Musta'in Billah Ibni Almarhum Sultan Abu Bakar and her royal consort, Kebawah Duli Yang Maha Mulia Al Marhumah Tengku Hajjah Afzan binti Almarhum Tengku Panglima Perang Tengku Muhammad.

1 Jul 1975
His Highness was constituted as KDYTM Tengku Mahkota Pahang

23 Oct 1977
His Highness was installed as KDYTM Tengku Mahkota Pahang

4 Sep 2004
His Highness was installed as Chancellor of Universiti Kuala Lumpur