The Rebellion Era

0 BBY
 The Destruction of Alderaan and the Battle of Yavin[52]
 The Imperial Senate is disbanded, giving Palpatine absolute power.[52]
 A squad of stormtroopers kill Owen and Beru Lars, Luke Skywalker's Uncle and Aunt, leaving him without any family that he knows of.[52]
 The Death Star destroys Alderaan and Obi-Wan Kenobi is killed by Darth Vader, but his spirit lives on.[52]
 The Battle of Yavin. Luke Skywalker, with the assistance of Obi-Wan Kenobi's spirit and Han Solo, destroys the Death Star before it can destroy the Rebel base on Yavin 4. Luke Skywalker and Han Solo join the Rebel Alliance. Grand Moff Tarkin dies in the destruction of the Death Star.[52]
0 ABY
 The Super Star Destroyer Executor is launched under the command of Captain Kendal Ozzel. It is dispatched to destroy the Rebel base on Yavin. However, a miscalculation from Admiral Griff allows the Rebels to escape.
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[edit] After the Battle of Yavin (ABY)
[edit] Rebellion era (continued)
0 ABY
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1 ABY
 Imperial forces seize Bakura.
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2 ABY
 An Imperial force led by Darth Vader catches up to some of the Rebels on Ord Mantell. It is here that Emperor Palpatine learns the name of the Rebel who destroyed the Death Star, Luke Skywalker, but withholds this information from Darth Vader until the time is right. While on Ord Mantell, Skorr, a bounty hunter working for Jabba the Hutt, nearly captures Han Solo.
 Luke Skywalker and Leia Organa discover the Kaiburr crystal on Mimban.
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 A base on Hoth is built by the Rebels.[22]
3 ABY
 The Battle of Hoth and the Subjugation of Bespin[53]
 The Battle of Hoth. The Empire discovers the Alliance's secret base on Hoth and launches a successful attack on the Rebel base, with many Rebel casualties.[53]
 Admiral Ozzel is killed by Darth Vader for incompetence and Captain Firmus Piett assumes command of Vader's fleet.[53]
 Luke Skywalker discovers Yoda on Dagobah, and trains under him. When he receives disturbing visions of the future he halts his training but promises to return.[53]
 Emperor Palpatine contacts Darth Vader aboard the Super Star Destroyer Executor and reveals Luke Skywalker's parentage to Vader. Vader suddenly announces a plan to capture and convert Luke rather than kill him as originally suggested. Now taken off-guard himself, Palpatine reluctantly agrees.[53]
 Boba Fett captures Han Solo to take him to Jabba Desilijic Tiure after Solo is frozen in carbonite on Cloud City. Lando Calrissian joins the Rebel Alliance.[53]
 Darth Vader reveals to Luke Skywalker that he is his father, but Luke is uncertain whether it is true or not.[53]
 Prince Xizor is killed by Darth Vader and Black Sun collapses.
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4 ABY
 The Battle of Endor[54]
 Han Solo is rescued from Jabba the Hutt and Jabba is killed by Leia Organa. Boba Fett is imprisoned in the sarlacc, but survives.[54]
 Yoda dies and Luke Skywalker discovers that he is truly the son of Darth Vader and that Leia Organa is his sister. He passes this information on to her.[54]
 The Battle of Endor begins, Luke Skywalker surrenders to Darth Vader and the Rebel Alliance successfully destroys the shield generator with the help of the Ewoks. Luke duels with Vader. Darth Vader/Anakin Skywalker is redeemed to the light side of the Force by the efforts of Luke Skywalker. Anakin Skywalker destroys Palpatine, saving his son's life, and dies on the light side. The prophecy of the Chosen One is fulfilled[54] as he brings balance to the Force.
 The Battle of Endor. Lando Calrissian, Wedge Antilles and Nien Nunb destroy the second Death Star, bringing about the defining turning point in the Galactic Civil War. No longer under the sway of its dark Sith rulers, the Empire begins to tear itself apart through warlordism. Now-Admiral Piett dies when the Executor crashes into the Death Star.[54]
 A celebration across the galaxy begins at the fall of the Empire and the death of Palpatine. Still on Endor, Luke catches a glimpse of the ghosts of Obi-Wan Kenobi, Yoda, and his father, Anakin Skywalker off away from the Ewok party.[54]
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 A small Rebel task force responds to a distress call at Bakura. Converting into the Alliance of Free Planets, the Imperial and Alliance forces sign the Truce at Bakura, a ceasefire to work together to repel the invading Ssi-Ruuk.

Source: starwars.wikia.com