This is the timeline for the Age of Industry canon. Up to Skyrim, all events follow the games.
Events of Skyrim
201: Alduin appears, and the Dragon Crisis begins. The Last Dragonborn appears, and defeats him.
203: After a long, bloody civil war, Skyrim is finally re-united under the Empire.
213: Titus Mede II is assassinated by the Dark Brotherhood, and the Empire falls into chaos.
Late Fourth Era: The Holy Order of the Knights of Azura is formed.
446: General Kamodus, tired of living under the yoke of the Thalmor, stages a coup, and removes them from power in Cyrodiil. He then gathers the support of the other provinces, eventually building an army to take on the Thalmor. After defeating them, he re-unites Tamirel into the Empire, with himself as Emperor. Thus begins the Fifth Era.
Early Fifth Era: The Adamantine Monastery is built.
435: The Resistance kills Kamodus.
566: Samarkand splits apart from the Empire.
583: The first of many wars between Samarkand and the Empire.
613: The Psijic Scientific Order is founded on Summerset Isle.
632: Morrowind is absorbed into Samarkand.
641: The Foyada Tong is founded by the Ashlanders.
759: The Psijic Scientific Order manage to create the first firearms.
784: Firearms are used by both sides in war, and are proven to be very successful.
804: Skyrim is conquered by Samarkand.
842: The wars in Cyrodiil end with Samarkand taking the Nibenay basin, but the Empire keeping the rest.
1000s: The Psijic Scientific Order begins to study Dwemer tech, hoping to find its secrets.
1262: The first steam powered machines are constructed. The Dwemer tech has been successfully recreated, and is found to be very effective. Thus begins a new era for Tamriel - the Sixth Era, or as it is commonly known, the Age of Industry.
5: The first factories are built, ready to mass-produce anything that is needed.
33: Samarkand creates the first steam powered ships, which are much faster than the now obsolete ships of the previous eras.
67: The Psijic Scientific Order begin experimenting with flight.
72: The industrialisation of Valenwood begins. This natural haven is the last place to do so. However, its natural influences are clear: here, nature and industry work in harmony together
96: The first prototype of the airship is created. It uses steam power to keep afloat, and is fairly successful.
101: Airships begin to be produced by the Psijic Scientific Order. At first only the Empire has access to these, but later on in the year Samarkand steal the designs.
182: Project: Behemoth is given clearance by the Emperor.
185: Wraith reappears, and manages to gain representation on the Senate.
187: People across the continent claim to have seen the Phoenix, but nobody is certain of her existence. Sightings are reported fairly regularly.
190: An earthquake in High Rock shakes the province. It had suffered greatly already, with most of its nobility killed and its capital city destroyed. Refugees flood into the adjacent provinces.
191: The Foyada Tong strike a great blow against the governing body of Morrowind, and manage to claim semi-independence for the province. It is now autonomous, but must still answer to Samarkand for laws, taxes, and military action.