Wilfried Martens prime minister, described him as a "true statesman and one of the fathers of federal Belgium". Martin Schulz, president of the European Parliament, paid tribute to him as a "statesman of Belgium, Europe and an outstanding leader of European Parliament". Jerzy Buzek, EPP MEP and former prime minister of Poland, described him as "irreplaceable". The EPP think tank Centre for European Studies has been renamed after him, now being the "Wilfried Martens Centre for European Studies", a decision taken during the EPP Congress in Dublin held on 9 March 2014. He received an Official State funeral, which was attended by
Prime Minister of Australia time to time Prime Ministers are required to leave the country on government business and a deputy acts in their place during that time. In the days before jet aircraft, such absences could be for extended periods. For example, William Watt was acting Prime Minister for 16 months, from April 1918 until August 1919, when Prime Minister Billy Hughes was away at the Paris Peace Conference, and Senator George Pearce was acting Prime Minister for more than seven months in 1916. An acting Prime Minister is also appointed when the prime minister takes leave. The Deputy Prime Minister most commonly