Mahathir Mohamad 1925: Born in Alor Star, Kedah state. Excels academically before becoming medical doctor 1946: Joins United Malays National Organisation (UMNO) – party formed to seek independence from Britain 1964: Elected to Parliament 1969: Loses seat and is expelled from UMNO after criticising Malaysia’s first prime minister, Tunku Abdul Rahman 1970: Mahathir’s book The Malay Dilemma argues that ethnic Malays are being eclipsed economically by ethnic Chinese. He rejoins UMNO two years later 1981: Becomes Malaysia’s fourth prime minister – oversees transformation of country from sleepy backwater to one of Asia’s leading economies 1998: Economic crises strike. Mahathir sacks deputy Anwar Ibrahim, who is jailed in 1999 on charges of corruption and sodomy 2003: Angers many foreign governments by attacking Jews in major speech delivered just days before retirement 2008: Resigns from UMNO after allegations that Prime Minister Najib Razak is embroiled in multibillion dollar financial scandal involving state development fund 2016: Starts new party, Bersatu, which joins Pakatan Harapan opposition alliance May 2018: Aged 92, Mahathir becomes world’s oldest elected leader after shock victory that ends ruling coalition’s six-decade grip on power Sources: ABC, BBC, Reuters Picture: Getty Images © GRAPHIC NEWS