Watch 123Movies. Coverage of the glorious Olympic Opening Ceremony of the Games in Tokyo. The 2020 Summer Olympics opening ceremony took place on 23 July 2021 at Olympic Stadium, Tokyo. As mandated by the Olympic Charter, the proceedings combined the formal and ceremonial opening of this international sporting event, including welcoming speeches, hoisting of the flags and the parade of athletes, with an artistic spectacle to showcase the host nation's culture and history.