//------------------------------//
// Timeline (Abridged) 
// Story: Eternal Struggle: A History 
// by Onyourleft 
//------------------------------//

Timeline:



Grogar Rules equestria.




Gusty The Great defeats Grogar and banishes him to the deepest regions of Tartarus.




The three tribes rule, each using the other.




The Windigos arrive. The tribes unite. 




The first Grand Council is formed.




Celestia’s parents are discovered and elected to be the new rulers by the populace. 




A small group of ponies leave and create a new kingdom. (The Crystal Empire)




The Tree of Harmony is discovered by Star Swirl.




Star Swirl mentors Celestia who lives under her parents.




When Celestia’s mother falls ill and can not raise the moon for a month, a young passionate unicron named Luna raises it herself. She ascends and is enthusiastically adopted into the family.




Tirek and Scorpan arrive, revealing enemy lands to equestria.




Celestia and Luna save the world from Discord while their parents are entrapped.




The Crystal empire is massive and rivals equestria in size. Sombra, the son of King Brauches and Queen Lilac, runs away after his parents ignore his warnings of Tartarus opening.




Tartarus breaks open and allows monsters to roam the Crystal Empire.




After a few painstaking years of war, the Crystal Empire is depleted on resources. Celestia and Luna’s parents refuse to help.




The gryphon kingdoms send aid. However their king is assassinated leading to a cease of support.




The Crystal Empire becomes desperate, and they finally declare war on Equestria.




A single pitiful battle ensues where King Brauches and Queen Lilac perish. Celestia and Luna are appalled by their parents and while searching the camp they discover a child. The two of them stand up to their parents and Luna adopts him. 




King Sombra, realizing his former kingdom was weak, attacks with his small army and takes control. He is now a member of The Second Sun and serves them. 




The adopted unicorn named Iron Eclipse is a prodigy at magic and is trained by Luna, Celestia, and Star Swirl.




Celestia and Luna remove their parents from their place, and ascend to rule.




At the age of sixteen Iron Eclipse joins the royal guard, and by eighteen he is the captain.




 During this time he becomes not only a prodigy, but a hero, while he defeats the countless enemies that try to raid equestria. 




During that 14-17 year long period, King Sombra is reconstructing the once great Crystal Empire. However, he takes notice of Iron Eclipse and discovers that they are brothers.




Sombra innocently approaches his brother and explains his heritage. Iron Eclipse goes into the restricted library and affirms the truth. He confronts his mother before leaving for the Crystal Empire.




Sombra takes Iron Eclipse under him, teaching him dark magic, strategy, and manipulation. He eventually reveals his plans to invade equestria.




Iron Eclipse led a revolution against King Sombra, it almost succeeded. 




Equestria learns of the threat and the Crystal War ensues. Sombra's forces are weak, due to the revolution. He is temporarily defeated, but he takes his prized city with him.




Iron Eclipse is asked to be King of what remains of the Crystal Empire. Instead, he allows Equestria to merge with what was left instead of taking the throne.




Iron Eclipse begins to advocate for more freedoms. He believes the common pony should have more power and that all forms of magic should be free.




Iron Eclipse discovers Sombra’s presence in Luna, and he attempts to explain this to Celestia. The Second Sun works avidly and gets Iron the label of a dark mage and a rebel. He is defeated and trapped in stone by his Mother and Celestia.




History is changed to prevent similar events, and to protect many legacies.




Nightmare Moon attempts to overthrow Equestria.




1,000 years of peace.