Ninjago Timeline (My theory/version)

Okay, so with Ninjago Season 8 coming out next year, I went back and watched the series from the pilot to the recent season 7. I've noticed that instead of establishing the full history from before Wu gathers the ninja in the first few seasons, they've been releasing bits and pieces over time, probably because they didn't think they would be getting past 2 seasons. 
So here's the Ninjago timeline from before the pilot, at least in my eyes. If new info comes out with upcoming seasons/tv specials, I will try to rework it so they fit together. Also please note that there are a few things that are still out of place and do not have an actual place in the timeline due to lack of information and that this timeline is only a theory since there has been no official word from Lego. 
Plus if I miss anything, let me know.

1. The First Spinjitzu Master is born.
1. The Oni and the Dragons fight over him and he runs away to a different realm.
2. The First Spinjitzu Master creates Ninjago. 
1. Most likely coming from another realm with the Realm Crystal.
3. The Overlord, a dark counterpart to his light, appears and a war is raged.
1. The Overlord creates the Stone Warriors as the First Master fights alone.
2. The First Master finds he cannot win. In a last effort, he splits the land, creating the Ninjago we know today and the Dark Island.
3. The Overlord looses his physical form, his Stone Warriors are hidden beneath Ninjago, and he lays dormant.
4. The First Master creates life on Ninjago.
1. This includes humans, animals, and Serpentine.
2. At some point, certain humans are born with elemental powers, passing them down through their descendants.
5. Years pass by...
1. The Age of Pirates
1. Nadakhan and his crew of misfits and outcasts pillage the realm of Ninjago.
2. Captain Soto and his crew fight and trap Nadakhan.
3. Soto and his crew perish with the Destiny's Bounty's sinking.
2. Airjitzu
1. Master Yang sets up a temple and takes in students.
2. He creates Airjitzu.
3. He becomes obsessed with life and he ends up trapping/cursing himself, his students, and his temple.
6. The First Master creates two sons.
1. Both boys inherit his powers.
1. Garmadon inherits Destruction.
2. Wu inherits Creation.
2. Garmadon and Wu are best friends until Garmadon is bit by the Great Devourer. 
3. The First Master dies, he hides himself and the Realm Crystal, leaving his staff as a clue for Wu.
4. Garmadon trains with Chen.
   
1. He is given the title "Lord". 
2. He also intercepts a love letter from Wu to Misako, replacing Wu's name with his own.
5. Wu finds and trains Morro
1. Morro is taught to believe he is the Green Ninja.
2. Morro finds he is not and runs away.
3. He dies in the Caves of Despair.
7. The First Serpentine War.
1. Tensions between the Serpentine and the humans grow.
2. Wu and Garmadon gather elemental masters.
1. Chen plays both sides, causing betrayals for the elemental masters.
3. The humans find/create the sacred flutes, trapping the Serpentine across Ninjago.
1. Garmadon banishes the Anokondrai Generals to the Cursed Realm.
2. Chen and his followers are exiled to an island outside of Ninjago
8. Time Twins Revolt.
1. Krux and Acronix feel they should rule Ninjago because of their mastery over time.
2. Wu has Ray and Maya create the Time Blades
3. Krux and Acronym are lost to time.
1. Krux resurfaces and assumes a false identity.
4. One Time Blade falls and is found by Wu
1. Wu has Ray and Maya hide it.
9. New Age of Peace.
1. Zane is built by Dr. Julian.
2. Kai, Nya, Cole, and Jay are born.
1. At some point, Jay is left at the Scrapyard with Ed and Edna.
3. Later, Lloyd is born
10. Trouble rising
1. After Lloyd is born, Garmadon gives into the Devourer's venom
1. He fights with Wu for the Elemental Weapons the First Master left
2. Garmadon is exiled to the Underworld
3. Garmadon takes control of the Skullkin.
2. Wu hides the Elemental Weapons
1. He leaves a map with their locations with Ray, who hides it in his shop.
3. The Master of Ice meets Zane
1. He somehow gives his elemental powers to Zane
2. Wu later visits and learns of this.
4. Garmadon sends Samukai
1. Dr. Julian seemingly dies and erases Zane's memory.
2. Zane wanders outside, staying in a nearby village
3. Samukai revives Dr. Julian and forces him to build for Garmadon, trapping him in a lighthouse.
5. Krux poses as Dr. Sanders Saunders
1. He has been gaining Ray and Maya's trust
2. He reveals himself and forces them to work for him, threatening their children
3. Kai and Nya assume their parents are dead and believe they are orphans
6. Misako realizes her son, Lloyd is destined to be the Green Ninja
1. She leaves him at Darkly's School for Bad Boys when he is old enough
2. She goes on a journey to find a way to stop Lloyd and Garmadon from fighting
11. Wu gathers the Ninja
1. He finds Cole
1. Cole ran away from his father after his mother died
2. He was supposed to be at a performing arts school and pretended to be there through letters to his dad
3. Wu found him while he was rock climbing
2. He finds Jay
1. Jay has been living with Ed and Edna, not knowing he was adopted
2. He was testing his inventions when he met Wu
3. He finds Zane
1. Zane does not know he is a robot
2. He has been living in the village for an unknown amount of time
3. He met Wu while meditating at the bottom of a frozen pond
12. Wu trains them
1. He sends them on a training mission
2. He visits Kai and Nya, hoping to recruit Kai and get the map before the Skullkin