Equus przewalskii, or Equus ferus przewalskii, or Equus caballus przewalskii - Przewalski's horse, previously found in the wild in Mongolia, still exists in captivity.
Equus ferus - Tarpan[?] - European wild horse, extinct ancestor of some or all domestic horses.
... 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 ...