Fait mathématique: 2694 is the number of ways 22 people around a round table can shake hands in a non-crossing way, up to rotation.
Culture générale: 2694 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: May 17th is the day in 1933 that Vidkun Quisling and Johan Bernhard Hjort form Nasjonal Samling — the national-socialist party of Norway.