Chapter 1: Mandalorian Wars, Part 1
Note: I do not own anything associated with Star Wars in this story. Also this series is based on real Star Wars events but with different characters and outcomes and everything in the story will be using the Star Wars time of BBY which stands for Before the Battle of Yavin 4, Enjoy!
Around 3,978 BBY
Mandalore the Great meets an unknown Sith Lord on the moon of Dxun. He is then influenced by the Sith Lord to start a great war with the Republic. This is known as the beginning of the Mandalorian Wars.
Between 3,976 and 3,975 BBY
The Mandalorian Neo-Crusaders, which are Mandalorians that aren't of the Taung race, launch a full-scale attack on the planet Kuat. Kaut was a center of the Republic's naval construction. Mandalore's intent was to weaken the Republic's navy before they could do anything to stop him. Kuat's defenses were no match for the Mandalorians and was easily captured.
From there, the Mandalorians produced a surprise attack on Alderaan. They were aided by an unsuspecting ally in the Corellians. Alderaan wasn't quick enough to attack and fell to their invaders. At the same time, another Mandalorian fleet started conquering planets in the Mid Rim. Already Mandalore had created an empire.
Between 3,974 and 3,972 BBY
The Republic was slow to react and had weakened its self. They had lost a total of six planets in a year. The Jedi Council hesitated to act and instead discussed the matter of aiding the Republic in the war. Meanwhile a small fleet was sent to take back Alderaan. Because of a lack of naval forces, the fleet attempted to bait the Mandalorians into a battle on the surface.
They succeeded. Led by an inexperienced Admiral named Baljos Raan, who was the Republic's best strategic mind, the fleet engaged their enemy in a bloody battle. Raan came up with trying to free the planet's capital Aldera with a three-pronged attack. The Republic won its first battle after losing only 2,000 soldiers compared to the Mandalorians massive loss of 13,000 Neo-Crusaders. Hopefully this wouldn't be the Republic's last victory.
The news shocked Mandalore. He wanted to get pay back on the Republic. His plan- attack Coruscant. A shuttle carrying battle droids landed on the Republic's capital. However inside were colored warriors that engaged in fighting everyone in their way. It was a great distraction. Coruscant's security forces didn't take any chances and sent almost everything towards the shuttle. That's when the Mandalorian fleet came out of hyperspace and proceded to bomb the city. It was followed by Mandalorians who raided the city. It forced the Jedi into action.
Senators were evacuated off the planet while their tower went up in flames. Citizens ran in terror. Ships attempted to leave but most were shot down. With the city on the brink of destruction, Jedi Grand Master Arlos was struck down by a young Mandalorian Neo-Crusader named Kordath. Everyone who escaped the tragic event fled to the world of Metellos. The refugees overwhelmed the planet. Among those who escaped were Senator Bolera, Jedi Knight Azmo Bexa-Loca, and Jedi Padawan Meala Star. Coruscant was no longer under Republic control, instead it was just another piece to the Mandalorians' success.