the abdication crisis

Từ điển Oxford Advanced Learner 8th

the abdication crisis [the abdication crisis] BrE NAmE noun [sing]
(in British history) a series of events in 1936, following King Edward VIII's decision to marry a divorced American woman, Wallis Simpson. It was thought that the British public would not accept a queen who had been divorced, and Edward was advised by the ↑Prime Minister to ↑abdicate (= give up his position as king). The couple were married in France in 1937, and Edward’s brother (as ↑George VI) became king in his place.