Bruttius Balbus, a candidate for duovir[?] of Pompeii, mentioned in political graffiti (from Walls of Pompeii (http://www.cis.vt.edu/fac/thb/1124/wallsofpompeii))
... can refer to:
Christiania - the name of Oslo, from 1624 to 1925.
The Free State of Christiania - a partially self-governing neighborhood in the city of ...