Nobody's got it yet. Interesting Jcanuck made the Bonney-Rackam connection, that's impressive. But has nothing to do with the answer. Snugg's comment is a whole great entry in itself. But it does't have the answer. Bard, Bonney says how about Tuedsay night for dinner and the bare-knuckle boxing matches behind the old railyard in Burlingame? And thinking it was some other McKinley hit is clever too. We are talking about the President assassinated in 190-whatever. There is no trickery to this. All you need to know is right there. This competition is now open to math experts. That's a hint, by the way.