And hey, for the hell of it...
Rise of the Empire & Rule of Two
67 BBY
Hego Damask, Munn Sith apprentice Darth Plagueis, slays his master Darth Tenebrous and becomes sole Dark Lord of the Sith
ca. 54-52 BBY
Darth Plagueis takes Palpatine on as his apprentice, naming him Darth Sidious Darth Sidious, at his master's urging, 'adopts' and takes on Maul as his own apprentice
32 BBY
Carrying on a conversation from years earlier, Hego Damask (Plagueis) urges Jedi Sifo-Dyas to commission a clone army to protect the Republic (he does so) Naboo Crisis, manufactured by Darth Plagueis and Darth Sidious Darth Maul attacks Qui-Gon, revealing the Sith to the Jedi in earnest for the first time in a thousand years Darth Maul killed by Obi-Wan on Naboo Senator Palpatine elected Supreme Chancellor of the Republic, placing a Sith secretly in charge of the Republic Sidious slays Plagueis Jedi Master Dooku leaves the Order, citing it and the Republic both as ineffectual and corrupt Dooku and Palpatine strike up a relationship, resulting in Sith apprenticeship within the year Dooku, now Darth Tyranus, slays his old friend Sifo-Dyas, as a test of loyalty to Sidious Dooku takes over the Kamino clone project, hiring Mandalorian Jango Fett as the genetic template for the clone army
ca. 32-22 BBY
Clone army born, grown and trained Sith stoke the already-existing flames of malcontent in the Republic
22 BBY
Obi-Wan discovers the clone army on Kamino Count Dooku--Darth Tyranus--openly declares the secession of the Confederacy from the Republic Jango Fett killed on Geonosis Clone Wars begin
19 BBY
Anakin Skywalker murders Count Dooku/Darth Tyranus, at Chancellor Palpatine's urging Jedi betray the Republic and are branded outlaws Order 66 enacted Anakin falls to the Dark Side, becoming Darth Vader Great Jedi Purge begins Clone Wars end Galactic Republic reorganized into the Galactic Empire