The film was released in North America on Wednesday, May 24, 1989, in 2,327 theaters, earning a record $37,031,573 over the 4-day Memorial Day weekend.  Its 3-day opening weekend figure of $29,355,021 was surpassed later that year by Ghostbusters II and Batman (1989 film), which grossed more in its opening 3 days than The Last Crusade in 4. Its Saturday gross of $11,181,429 was the first time a film had made over $10 million. It broke the record for the best seven-day performance, with $50.2 million, added another record with $77 million after twelve days, and earned a $100 million in a record nineteen days. In France, the film broke a record by selling a million admissions within two and a half weeks.
Question: What was the last day of the 4-day Memorial Day weekend?
Answer: 29 May 1989