Are you sure he meant a 100K seat stadium in four months before the whatever you call 250 (it’s not 250ennial, which would be straightforward, bicentiquindecennial or something; it’s like two-hundred-and-a-half-ennial)? I’ve heard of the UFC event, but the 100K would be in Lafayette Square or something with a hundred thousand watching on video screens on the Mall or something.

He has a history of overestimating people’s interest in him. Remember his big glorious birthday parade?