* 1920 – King Tuanku Syed Putra ibni Almarhum Syed Hassan Jamalullail of Malaysia ( d. 2000 )

* April 17 – Tuanku Syed Sirajuddin becomes Raja of Perlis.

* May 17 – Tuanku Syed Sirajuddin, King of Malaysia

He is replaced by Tuanku Syed Putra, Raja of Perlis.

Since 2000, the Raja or hereditary monarch has been Tuanku Syed Sirajuddin.

Tuanku Syed Faizuddin Putra was the Regent of Perlis during the five-year period when Tuanku Syed Sirajuddin was Yang di-Pertuan Agong.

* Darjah Setia Tuanku Syed Sirajuddin Jamallulail ( 2001 )

# Tuanku Syed Putra ibni Almarhum Syed Hassan Jamalullail ( Raja of Perlis ; 1945 – 2000 );

Tuanku Syed Sirajuddin ibni Tuanku Syed Putra Jamalullail ( born 17 May 1943 ) is the current Raja of Perlis, reigning since 17 April 2000.

Tuanku Syed Sirajuddin was born in Arau, Perlis and is the second of ten children of HRH Almarhum Tuanku Syed Putra Jamalullail and Tengku Budriah binti Almarhum Tengku Ismail.

Tuanku Syed Sirajuddin began his secondary education at Penang Free School on 9 January 1956 and later left for England to study at Wellingborough School for four years until 1963.

Tuanku Syed Sirajuddin also underwent training as a Cadet Officer at the Royal Military Academy in Sandhurst, England from January 1964 until December 1965.

Upon his return from England, Tuanku Syed Sirajuddin served with the Ministry of Defence Malaysia.

Tuanku Syed Sirajuddin ibni Almarhum Tuanku Syed Putra Jamalullail was installed as the twelfth ruler of Perlis on 17 April 2000, the day after the death of his father, Tuanku Syed Putra ibni Almarhum Syed Hassan Jamalullail, who had been Raja since 1945, and was at that time the world's longest reigning monarch.

Tuanku Syed Sirajuddin was elected the 12th Yang di-Pertuan Agong of Malaysia on 13 December 2001.

Tuanku Syed Sirajuddin was appointed for the first time as the Regent of Perlis when HRH the Raja of Perlis and HRH the Raja Perempuan of Perlis travelled to the United States and Europe from 23 June 1967 until 24 October 1967.

Tuanku Syed Sirajuddin has one son, Tuanku Syed Faizuddin Putra who was born on 30 December 1967 and a daughter Sharifah Fazira, born on 5 June 1973.

Tuanku Syed Sirajuddin has travelled to many countries including United Kingdom, France, Germany, Denmark, Austria, Italy, Switzerland, Egypt, Spain, Libya, the Netherlands, Belgium, Thailand and Saudi Arabia.

Tuanku Syed Sirajuddin is also active in sports.

Tuanku Syed Sirajuddin interacts frequently with his people through various fields and heads many social organisations, which are:

Tuanku Syed Sirajuddin is the Chairman of this foundation.

This divine right is called Daulat, and although presently, the notion of divine right is somewhat obsolete, one can still see banners and posters with pictures of the reigning sultan with words Daulat Tuanku, similar to the European proclamation of " Long live the King ", on streets and buildings.

He is Tuanku Imam Bonjol

The current Yang di-Pertuan Besar is His Royal Highness Tuanku Muhriz ibni Almarhum Tuanku Munawir.

Tuanku Syed Sirajuddin became directly involved in religious affairs when he was appointed President of the Islamic Council of Perlis by the late Almarhum Tuanku Syed Putra, the then ruler of Perlis, Tuanku Syed Sirajuddin is especially concerned that the religious affairs of the state are based on the ‘ Ahlis Sunnah Waljamaah ’ doctrine.

In this regard, Tuanku Syed Sirajuddin is constantly in touch with the religious leaders of Perlis.

* Tuanku is both a title when used before a name and form of address when used alone, and is reserved for the Malay Rulers.

In Sarawak, " Tuanku " is the prefix used by certain noble families.

In Aceh, a province of Indonesia, " Tuanku " is given to children and grandchildren of a ruling monarch.

These titles are not used as a form of address-instead Tuanku is used.

The current Tunku Besar Seri Menanti is Tunku Ali Redhauddin, the eldest son of the Yang di-Pertuan Besar of Negeri Sembilan Tuanku Muhriz ibni Almarhum Tuanku Munawir.

Tuanku Ja ' afar is also the first reigning royalty in Malaysia to have a judgement made against him in a court of law.

Kuala Lumpur International Airport was officially inaugurated by the 10th Yang di-Pertuan Agong's Duli Yang Maha Mulia Almarhum Tuanku Ja ' afar ibni Almarhum Tuanku Abdul Rahman on 27 June 1998 at 20: 30 MST as moment of reckoning as the new airport it sparkling like a fairyland and visible from as far as 15-kilometre away of beckoned the 1500-spectators who came to witness in 25, 000-workers a 24-hours in daily built the airport within 7-years at opening a week ahead of Hong Kong International Airport it was officially closing ceremonies by the 10th Yang di-Pertuan Agong's Duli Yang Maha Mulia Almarhum Tuanku Ja ' afar ibni Almarhum Tuanku Abdul Rahman based in Subang 3-days later on 30 June 1998 in time for the 1998 Commonwealth Games.

She came back into the limelight on New Year's Day in 2006 for an exclusive interview by The Star Malaysia, where the newspaper had wrongly addressed her as Tuanku Siti Aishah.

Due to health reasons he wanted to resign as Yang di-Pertuan Agong in 1969, but was persuaded by Prime Minister Tunku Abdul Rahman not to do so as the next Yang di-Pertuan Agong would be Tunku Abdul Rahman's nephew ( Tuanku Abdul Halim of Kedah ) and the Tunku felt it was not right for him to continue in office during that time.

Tuanku Ja ’ afar was to have left for Japan to serve as the Malaysian Ambassador to that country but was recalled by the State Government of Negeri Sembilan following the demise of his half brother HRH Tuanku Munawir, the then ruler of Negeri Sembilan, in 1967.

Tuanku Ja ’ afar had always urged for the improvement of the standard of education in Malaysia.

However, he was bypassed by the Council of Undangs to become Yang di-Pertuan Besar when his father died in 1967 for his uncle, Tuanku Jaafar.

Tuanku Ja ' afar Hospital, formerly known as Seremban General Hospital is the state and referral hospital for the state of Negeri Sembilan.

Following Mahmud's death from cholera, the Acehnese proclaimed a young grandson of Tuanku Ibrahim, named Tuanku Muhammad Daud Syah, as Sultan Ibrahim Mansur Syah ( r. 1874 – 1903 ) and continued their struggle in the hills and jungle territory for ten years, with heavy casualties on both sides.

During his reign as the ruler of Negeri Sembilan, Tuanku Ja ’ afar focused his attention on the problems of the people and the administration of the state.

In handling the socio-economic affairs of the state, Tuanku Ja ’ afar directed his attention to the industry and public housing sectors so as to improve the living standard of the people.