Some time in the future.
It is quite possible that Modo is from the Edwardian era of England
The book "Emma" by Jane Austen takes place in the early 19th century in the fictional village of Highbury in England. It was published in 1815 and is set during the Regency era.
The events of Oblivion take place at the very end of the third era - the banishing of Mehrunes Dagon is considered to be the beginning of the fourth era.
1865 to 1901The era
1750 - 1820
In the Great Depression Era. In the beginning of the book when the school year begins, it is September 1933.
The permian erapermian
europe
2013, the year of the curry, era of Tilak Patel ragequit, zen noob, curry boy, and leaving best friends
1865-1877
Early 1960's.
Hammurabi, the Law Giver is one.