Parliamentary Private Secretary to the Prime Minister Bonar Law's Parliamentary Private Secretary, J.C.C. Davidson acted in effect as his Chief of Staff. Margaret Thatcher's downfall from the Conservative Party leadership in 1990 is attributed by many to the actions of her Parliamentary Private Secretary, Peter Morrison, in failing accurately to count votes amongst Conservative backbenchers. Some Parliamentary Private Secretaries to the Prime Minister go on to hold higher office; Lord Dunglass served as Parliamentary Private Secretary under Neville Chamberlain and later went on to serve as Prime Minister in his own right. There can be multiple Parliamentary Private Secretaries to the Prime Minister at a given time.
Prime Minister of the Netherlands Dutch ministers used to be responsible to the Monarch and the ministers were taking turns to fill the position of the Prime Minister who had little if any control over the other ministers. The Prime Minister's role gained importance when ministers became responsible to the parliament and the position became mostly reserved for the leader of the biggest political party in the House of Representatives. Still, because the position holds limited powers compared to other neighboring parliamentary democracies, the Prime Minister role is described as "primus inter pares" ("first among equals"). Following the constitutional review of 1983, the position of