You will be given a definition of a task first, then some input of the task.
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

His time in his country's highest office was marked by a scandal in which his predecessor's associate minister of national defence, Pierre Svigny, was revealed to have had an affair with a German prostitute named Gerda Munsinger. His time in office was also marked by a contentious "Flag Debate," as he controversially proposed to replace the Red Ensign with a new design. He represented Algoma East in his country's House of Commons, and after St. Laurent resigned he defeated Paul Martin to become the leader of the Liberals. In 1963, he replaced John Diefenbaker as Prime Minister of Canada. FTP, name this man who became President of the General Assembly of the UN in 1952, and whose work in defusing the Suez crisis was rewarded with the Nobel Peace Prize in 1957.
Output:
History