Early 1930s somewhere in central Europe...
For good reason, the Klan has its rallies at night. People stretching their waking hours are easy to dazzle with bright ceremony, but less likely to judge the content of what they are told. Some failed artist said much to that effect: people already deprived of speech already have their critical judgment asleep.
OK, for more benign purposes, Olympic opening and closing ceremonies are at night. So are most championship sporting events, whether boxing matches or the World Series.