Van Thijn was also a prolific author, having written more than a dozen books since 1977 about politics, the history of the Jews during World War II, the history of socialism and several autobiographies. He was known for his abilities as a manager and policy wonk. He continued to comment on political affairs until his retirement in 2017 and holds the distinction as the longest-serving Mayor of Amsterdam after World War II with 10 years.
Van Thijn was elected as a Member of the House of Representatives after the election of 1967, taking office on 23 February 1967. After the election of 1972 the Leader of the Labour Party and Parliamentary leader of the Labour Party in the House of Representatives Joop den Uyl became Prime Minister in the Cabinet Den Uyl and van Thijn was selected as his successor as Parliamentary leader in the House of Representatives on 11 May 1973. After the election of 1977Den Uyl returned as Parliamentary leader on 8 June 1977 but he was still serving in the cabinet and because of dualism customs in the constitutional convention of Dutch politics he couldn't serve a dual mandate. He subsequently resigned as a Member of the House of Representatives and Parliamentary leader on 8 September 1977 and van Thijn again took over as Parliamentary leader on 8 September 1977. Following the cabinet formation of 1977 the Cabinet Den Uyl was replaced by the Cabinet Van Agt–Wiegel on 19 December 1977 and Den Uyl subsequently returned as a Member of the House of Representatives and as Parliamentary leader on 16 January 1978.
After the election of 1982 van Thijn returned as a Member of the House of Representatives, taking office on 16 September 1982. In May 1983 van Thijn was nominated as the next Mayor of Amsterdam, he resigned as a Member of the House of Representatives the same day he was installed as Mayor, taking office on 16 June 1983.
Mayor of Amsterdam
On 16 June 1983, van Thijn became Mayor of Amsterdam, serving until resignation on 18 January 1994.[1]
On 4 October 1992, while van Thijn was Amsterdam Mayor, El Al Flight 1862 crashed into the Groeneveen and Klein-Kruitberg flats in the Bijlmermeer (colloquially "Bijlmer") neighbourhood (part of the Amsterdam-Zuidoost district). Hundreds of people were left homeless by the crash; the city's municipal buses were used to transport survivors to emergency shelters. Firefighters and police also were forced to deal with reports of looting in the area.[2]
Van Thijn had two ex-wives and a domestic partner. In 1992, van Thijn married Odette Taminiau. Van Thijn's children are Carla van Thijn (born 1965) and Marion van Thijn (born 1968). Although not raised religiously observant, in later years he aligned himself with Progressive Judaism.