1990 UC
- Events of The Truth
- Ankh-Morpork Times founded
- Patrician Vetinari briefly removed from office
These are in the winter early in the year after The Fifth Elephant.
- Birth of Young Sam Vimes, 25 May
- Events of Night Watch and Thief of Time, concluding 25 May
These are in the spring following the seating of the Low King (The Fifth Elephant).