The 2 year long siege of ended in catastrophe, and was the horrific end to the Alkemian empire
The era dates given on this timeline talk of general trends throughout the world, not of specific years.
The years of the storm were a period of millennia during and after the Spellstorm when empires and kingdoms fell, books vanished, and humans hid. Little is written of this time, though the later parts of its history include fragments of reborn civilization. The approximate end of this era is 45000, though it took many more years to end in the continent of Alkeemia.
The 2 year long siege of ended in catastrophe, and was the horrific end to the Alkemian empire
The great Spellstorm of Alcamia is said to have been a half century long magical disaster. The disaster ended most political structures, and greatly depopulated the world. The human civilizations took many centuries to recover.
The post storm era was characterized by the rediscovery of political structures, building of political states, and a return to learning.
The ratification of the Law of Nations began the Kortharc Confederacy.
Jaymes Weyas's treatise is generally considered to have begun the Magic Revolution.