What happens when an unstoppable force meets an immovable object? When the immovable object is the Tokyo Olympics, the answer is that history will be made. Advertisement without spectators in the stands. Japanese officials made the announcement Thursday as they declared that a state of emergency for Tokyo will go into effect Monday and continue until Aug. 22. That window includes the Olympics, which begin July 23 and end Aug. 8. “Taking into consideration the impact of the Delta strain,” said Japanese Prime Minister Yoshihide Suga, “and in order to prevent the resurgence of infections from spreading across the country, we need to step up virus prevention measures.”