The De Jong cabinet was the executive branch of the Dutch Government from 5 April 1967 until 6 July 1971. The cabinet was formed by the christian-democratic Catholic People's Party (KVP), Anti-Revolutionary Party (ARP) and Christian Historical Union (CHU) and the conservative-liberal People's Party for Freedom and Democracy (VVD) after the election of 1967. The cabinet was a centre-right coalition and had a substantial majority in the House of Representatives with prominent Catholic politician Piet de Jong the Minister of Defence in the previous cabinet serving as Prime Minister. Prominent Liberal politician Johan Witteveen a former Minister of Finances served as Deputy Prime Minister and returned as Minister of Finance, prominent Protestant politician Joop Bakker the Minister of Economic Affairs in the previous cabinet served as Deputy Prime Minister, Minister of Transport and Water Management and was given the portfolio of Suriname and Netherlands Antilles Affairs. The cabinet served in the final years of the tumultuous 1960s and the beginning of the radical 1970s. Domestically it had to deal with the peak of the counterculture but it was able to implement several major social reforms to education, social security, the introduction of value-added taxes and it had to deal with several crises involving Moluccan nationalists. Internationally it oversaw improvements in relations with the former Dutch East Indies, growing protests against the Vietnam War and the fallout of the Soviet Union invasion of Czechoslovakia following the Prague Spring. The cabinet suffered no major internal conflicts and completed its entire term and was succeeded by the First Biesheuvel cabinet following the election of 1971. Formation Following the fall of the Cals cabinet on 14 October 1966 the Labour Party (PvdA) left the coalition, subsequently Queen Juliana appointed Senator Jelle Zijlstra (ARP), a former Minister of Finance as Prime Minister to form a rump cabinet with the Catholic People's Party and the Anti-Revolutionary Party. On 22 November 1966 the Zijlstra cabinet was installed and served as a caretaker government until the election of 1967. After the election on 15 February 1967 the Catholic People's Party was the winner of the election even after losing 8 seats and had now a total of 40 seats in the House of Representatives. Incumbent Prime Minister Jelle Zijlstra was appointed as Informateur by Queen Juliana to start the cabinet formation process. After a first round of talks the Catholic People's Party, People's Party for Freedom and Democracy,