01
10 Julai 1925STATUS
Mahathir is born in Alor Setar, Kedah.
Perdana Leadership Foundation records his birth on 10 July 1925, with 20 December 1925 also recorded as his official birth date.
← ChronologyUpdated 9 Oct 2026
CHRONOLOGY · POLITICS · MAHATHIR MOHAMAD
Mahathir Mohamad: two premierships across seven decades of politics
A chronology from doctor and political writer to deputy prime minister, Malaysia's fourth prime minister, a return to opposition politics, and a second premiership in 2018–2020.
Year by year37 events1925-07-10 → 2026-10-09
ANIMATED CHRONOLOGY SUMMARYWatch the sequence before reading the full story.
1925-07-10→2026-10-09
STORY AT A GLANCE
Watch the sequence before reading the full story.
A chronology from doctor and political writer to deputy prime minister, Malaysia's fourth prime minister, a return to opposition politics, and a second premiership in 2018–2020.
37 EVENTS37 SOURCE LINKS
EVENT 1 OF 3710 Julai 1925Mahathir is born in Alor Setar, Kedah.
Perdana Leadership Foundation records his birth on 10 July 1925, with 20 December 1925 also recorded as his official birth date.
WHY THIS CHRONOLOGY MATTERSMahathir's career connects Malaysia's 1980s development era with post-2018 coalition politics.
Continue to full chronology ↓No other Malaysian prime minister has served in two spells separated by almost 15 years.
FULL TIMELINE · SCROLL / CLICK / DRAG TO EXPLORE
Each step is dated and sourced. Statements, allegations, decisions and confirmed actions stay labelled separately so the timeline does not turn one side's claim into an established fact.
HOW WE GOT HERE
Follow the sequence, not just the headline.
02
1931–1941STATUS
Mahathir attends Malay and English schools in Alor Setar.
He studies at Seberang Perak Malay School and later the English school renamed Sultan Abdul Hamid College.
03
1942–1945WARNING
Japanese occupation interrupts his education.
During the occupation he sells food in Pekan Rabu to support his family.
04
1947–1953STATUS
He studies medicine in Singapore and begins work as a doctor.
He enters King Edward VII College of Medicine in 1947, graduates in 1953 and works at Alor Setar General Hospital.
05
1956STATUS
Mahathir marries Dr Siti Hasmah Mohd Ali.
Both trained in medicine; Siti Hasmah later plays a significant public and family role.
06
1957ACTION
He opens Maha Clinic in Alor Setar.
Leaving government service in 1957, Mahathir starts a private medical practice.
07
1964–1965STATUS
Mahathir wins Kota Setar Selatan and enters Parliament.
His 1964 election victory and 1965 UMNO Supreme Council membership mark a rise in national politics.
08
1969WARNING
Election defeat and a public dispute lead to expulsion from UMNO.
He loses his seat in 1969 and criticises Tunku Abdul Rahman after May 13; UMNO expels him.
09
1970STATEMENT
The Malay Dilemma is published while Mahathir is outside UMNO's mainstream.
The book becomes one of the best-known political works of his early career.
10
1972DECISION
Mahathir is readmitted to UMNO and appointed a Senator.
His return opens the way for a rapid rise in the federal government.
11
1974STATUS
He returns to Parliament and becomes Education Minister.
Mahathir wins Kubang Pasu uncontested and enters Cabinet.
12
5 Mac 1976STATUS
Mahathir is appointed Deputy Prime Minister.
The appointment by Hussein Onn puts him one step from the premiership.
13
16 Julai 1981DECISION
Mahathir becomes Malaysia's fourth Prime Minister.
He begins a premiership lasting more than two decades, associated with industrialisation, infrastructure and economic modernisation.
14
1982DECISION
The Look East Policy draws on Japan and South Korea.
The government emphasises industrial practices, training and technology transfer.
15
7 Mei 1983ACTION
PROTON is incorporated as Malaysia's national car company.
The 1982 Cabinet-approved programme leads to PROTON's incorporation on 7 May 1983.
16
1985ACTION
The Penang Bridge becomes a major transport landmark.
It links Penang Island and the mainland and is among prominent infrastructure developments of the period.
17
9 Julai 1985ACTION
The first Proton Saga is officially launched.
On 9 July 1985 Mahathir launches the national car developed with Mitsubishi collaboration.
18
Oktober–November 1987WARNING
Operation Lalang sees mass detentions under the ISA.
Opposition figures and activists are detained without trial, generating continuing civil-liberties criticism.
19
1988WARNING
The 1988 judicial crisis raises institutional questions.
The removal of Lord President Salleh Abas becomes an enduring subject of constitutional and judicial-independence debate.
20
1991STATEMENT
Vision 2020 sets a national development ambition.
The policy outlines economic and social aspirations for Malaysia by 2020; announcing a goal does not establish it was fulfilled.
21
1992–1994ACTION
The PETRONAS Twin Towers move from planning into construction.
Planning begins in 1992, foundations in 1993 and superstructure work in 1994, led by architect César Pelli and large engineering teams.
22
2 Jun 1993DECISION
Prang Besar is selected as Putrajaya's site.
The new planned administrative centre is located south of Kuala Lumpur.
23
1996DECISION
The Multimedia Super Corridor is introduced.
The initiative seeks to develop technology businesses, digital infrastructure and electronic public services.
24
1996STATUS
The PETRONAS Twin Towers' structures reach completion.
The landmark's structural completion in 1996 precedes its official opening in 1999.
25
1998ACTION
KL International Airport opens in Sepang.
The new airport reshapes international air transport and the Kuala Lumpur southern development corridor.
26
1–2 September 1998DECISION
Malaysia introduces exchange controls and pegs the ringgit.
During the Asian Financial Crisis, selective controls and a RM3.80-per-US-dollar peg are introduced in September 1998.
27
September 1998WARNING
Anwar Ibrahim's dismissal sparks the Reformasi movement.
The political rupture takes place amid the financial crisis and leads to protests, arrests and protracted legal controversies.
28
7 September 1998DECISION
Mahathir takes over the Finance Ministry amid economic and political crisis.
He assumes the portfolio after Anwar Ibrahim is removed from government during the Asian Financial Crisis and the rupture that leads to Reformasi.
29
1999ACTION
Federal administration begins moving to Putrajaya.
The Perdana Putra complex is completed in 1999, with government functions relocating in stages.
30
Ogos 1999STATUS
The PETRONAS Twin Towers are officially opened.
Mahathir inaugurates the towers in August 1999; the project also reflects the work of PETRONAS and many technical teams.
31
1 Februari 2001STATUS
Putrajaya becomes a Federal Territory.
The declaration marks another stage of Malaysia's planned federal administrative capital.
32
31 Oktober 2003STATUS
Mahathir steps down after 22 years as Prime Minister.
Abdullah Ahmad Badawi succeeds him as Malaysia's fifth prime minister.
33
2016ACTION
He leaves UMNO and helps establish Parti Pribumi Bersatu Malaysia.
The move marks his full return to party politics in opposition to Najib Razak's administration.
34
10 Mei 2018STATUS
Mahathir returns as Malaysia's seventh Prime Minister after GE14.
Pakatan Harapan's victory ends Barisan Nasional's federal rule and returns Mahathir to Putrajaya.
35
24 Februari 2020DECISION
Mahathir resigns as Prime Minister.
The resignation comes during the political crisis that ends the first Pakatan Harapan federal government.
36
November 2022STATUS
Mahathir loses his Langkawi seat at the 2022 general election.
After his second premiership he remains politically active but does not retain his parliamentary seat.
37
10 Julai 2026STATUS
Mahathir turns 101 and remains active in public life.
Perdana Leadership Foundation says he continues to comment on Malaysian politics, economics and development.
NATIONAL DEVELOPMENT
Major landmarks and the institutions that built them
PROTON and the national car project
The national car initiative progressed through Cabinet approval in 1982, PROTON's establishment in 1983 and the first Saga launch in 1985. Its industrial effects should be assessed alongside trade protection, technology transfer and competition.
KLCC and the PETRONAS Twin Towers
Planning began in 1992, foundation works in 1993, construction progressed during the 1990s and the towers were officially opened in August 1999. PETRONAS, architects, engineers and construction workers all contributed.
Putrajaya: a planned administrative city
Prang Besar was selected in June 1993, Perdana Putra was completed in 1999 and Putrajaya became a Federal Territory in February 2001.
Transport, industry and digital infrastructure
The Penang Bridge, highways, KLIA and the Multimedia Super Corridor show the administration's emphasis on connectivity and industrial development. Project planning and completion may span different governments.
Project proposal, approval, construction, completion and opening dates are different milestones. Costs and returns require independently verifiable financial records.
POLITICAL AND INSTITUTIONAL HISTORY
Economic development and institutional controversies occurred in the same era
1987: Operation Lalang
Detentions under the Internal Security Act prompted sustained criticism concerning due process and civil liberties.
1998: financial crisis and Reformasi
Selective capital controls and the ringgit peg were economic decisions, while Anwar Ibrahim's dismissal reshaped Malaysian opposition politics.
The chronology distinguishes dated decisions and documented consequences from official explanations, allegations and critical interpretations.
WHY THIS CHRONOLOGY MATTERS
Mahathir's career connects Malaysia's 1980s development era with post-2018 coalition politics.
No other Malaysian prime minister has served in two spells separated by almost 15 years.
Questions the chronology cannot answer yet.
01How will history weigh Mahathir's development record against institutional and political controversies?
02Which parts of the 1981–2003 industrial policy legacy proved most durable?
The events that would move this story forward.
01New archival records from the 1980s–2000s administrations.
02Historical assessments of the 2018–2020 transition.
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Keep following the connections.
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