2450BCE:
* End of the Early Dynastic IIIa Period and beginning of the Early Dynastic IIIb Period in Sumer.
* Kish is lost to Hamazi tribesmen of the Kurdistan mountains.
* Elam under the Awan dynasty occupies parts of Sumer.

2450CE:
* The Star Triangle Advanced Guard reverse engineers and duplicates Borg transwarp coils

2450 = NSW postcode for Coffs Harbour