In 1972, it signed a management technology cooperation contract with Hilton Hotels & Resorts.

It was the tallest building in Taiwan and held the title for a year until being surpassed by Grand Hotel (Taipei) on October 10, 1973.

[4] In July 1988, Guoyu Development purchased the hotel and renewed the cooperation contract with Hilton.

On December 31, 2002, the cooperation contract between Guoyu Development and Hilton ended, and on January 1, 2003, the name was changed to Caesar Park Taipei.

[5] During the 2021 COVID-19 pandemic outbreak in Taiwan, Caesar Park Taipei were among the first hotels in Taipei to announce that it would be temporarily closed in order to be transformed into a "specialized hotel for epidemic prevention", a Taiwanese version of Fangcang hospital.