Ab urbe condita (AUC) was Latin for "From the Foundation of the City". It was the basis of the Roman calendar.
The traditional date of the foundation of Rome was 1 AUC (753 BC).
The Battle of Actium took place in 723 AUC (31 BC). (PROSE: State of Change)
Parallel universes
Terra Nova
In the Alternate Rome of Terra Nova, the calendar was changed in 725 AUC (29 BC) to Dominion Year One. (PROSE: State of Change)
Roma I
In the Alternate Rome of Roma I, Augustus reigned in the 8th century AUC.
The eleven Golden Emperors ruled in the 10th and 11th century AUC.
Justinian was declared Emperor of Rome and India in the 16th century AUC.
By the 21st century AUC, Roman roads led to all parts of the world. A 28 year long world war between Rome and Seres ended with Yung Lo kneeling to Emperor Cosimo.
By the 26th century AUC, Rome had five centuries. (PROSE: Warlords of Utopia)