Mightier Than The Sword

Placement on The Timeline
Mightier than the Sword is noted in a "contemporary" intro to be the "oldest sustained" writing in Robur, and archaic - implying that it should be placed early in the history.

A Saloninus is mentioned.

Its noted that the oldest monastery of the Invincible Sun encountered during the travels is 400 years old - placing this no earlier than 950 AUC.

Emperor founded the libraries of Ultor (The City), Lonazep, and Beloisa during this book..

Trivia
Takes place 130 years after the first appearance of the Land & Sea Raiders - during the reign Vindex II. Other Emperors noted are Florian (grandson of Vindex), Valens IV, and his successor Ultor II.

Notable books mentioned include Eternal Crown (Licinius, only surviving record of the 7th dynasty), Twelve Questions (Gennasius, still alive), Institutions (Florian), Art of War, Soldiers Mirror

Major competitors are the Great King of Sashan (East), Permia, Vesani Republic.

Historical notes on Robur - Republic lasted one thousand years before Florian overthrew in a coup.