Article continues below advertisementWhen Was Ex-Prince Andrew Arrested?Source: MEGAAndrew Mountbatten-Windsor was arrested on his 66th birthday.Andrew Mountbatten-Windsor's arrest marked yet another fall from grace for the disgraced royal.In a press release, the United Kingdom's Thames Valley Police confirmed they "arrested a man in his sixties from Norfolk" on February 19, at approximately 8 a.m. They did not name the arrested man "as per national guidance," but OK! confirmed the ex-prince had been taken into police custody on his 66th birthday.