Has ANY city been in the Finals of all 3 sports in the same fiscal/calendar year?

[seaborneq]

Boston is championship city. I have never seen anything like it. What is in the drinking water up there?

[pavyracer]

Piraeus, Greece.

Olympiakos Piraeus of Greece has been the soccer, basketball and waterpolo champions of Greece many times.

Real Madrid or Barcelona come also in mind. It is very common in Europe because of no salary cap. Much harder in the US because of salary cap.