Modern years are given in Lao reckoning, LR, starting from the ascension of the first Lao emperor to the throne. Years before that are marked BL, before Lao, and are often estimated.
In the beginning,
Creation of the world, Unknown, thousands of years BL
Creation of man, Unknown, somewhere between 1000 BL and 500 BL
The First Demon War, Approx 200 BL – 0LR
The Law of Heaven, Year 0 LR
Rise of the North, 50 LR – 300 LR
Southern Revolution, 300 LR – 500 LR
The Second Demon War, 500 LR – 650 LR
Rise of the Ninja, 650 LR – 750 LR
Lao Conquest, 750 LR – 800 LR
The Great Cataclysm, 800 LR -810 LR
Seven Nations, 810 LR – 850 LR
Itsuriku, 850 LR – 1116 LR (modern)
*These times are all estimates until I write up the specifics. Some adjustment may be needed.