The following notable occurrences unfolded in the year 21 BBY, which corresponds to 3256 LY as per the Lothal Calendar and 7956 according to the C.R.C. calendar system.
- Count Dooku, Obi-Wan Kenobi, and Anakin Skywalker found themselves captured by the pirate Hondo Ohnaka while on Florrum, however, they managed to escape in the end. [8]
- On Maridun, Anakin Skywalker and Ahsoka Tano provided assistance in the defense of the Lurmen against Trade Federation General Lok Durd. [9]
- The Talz natives were discovered on the planet Orto Plutonia, which is the moon of Pantora. A brief war ensued between the Pantorans and the Talz, ultimately resolved through the intervention of the Jedi and the Pantoran Senator Riyo Chuchi. [10]
- Doctor Nuvo Vindi was commissioned by the Confederacy of Independent Systems to recreate the Blue Shadow Virus in an effort to develop biological weapons targeting the Jedi. [11] Vindi was provided with a laboratory on Naboo and battle droids for security. After successfully creating an airborne version of the virus, Vindi was apprehended by the Galactic Republic. [12] [7]
- Republic forces, led by Jedi Generals Anakin Skywalker and Obi-Wan Kenobi, engaged in combat with the Separatist Droid Army on Felucia. The Galactic Republic was compelled to retreat, resulting in a defeat. [13]
- The Republic captured the last known Zillo Beast, which was then presumed dead. Supreme Chancellor Palpatine gave the order for it to be cloned. [7]
- The Confederacy of Independent Systems successfully reclaimed Geonosis; however, the Galactic Republic launched a high-cost assault and regained control of the world. This victory enabled the Republic to capture Separatist Council member Poggle the Lesser. [7]
- The plans for the Death Star were initially disclosed to the Strategic Advisory Cell by Dr. Gubacher and Professor Sahali. [14]
- Aurra Sing was contracted by Ziro Desilijic Tiure to assassinate Padmé Amidala, targeting the Senator during the Alderaan Refugee Conference. The bounty hunter was thwarted by Jedi Padawan Ahsoka Tano, who had accompanied Amidala to the conference after foreseeing the assassination attempt. [15]
- The Confederacy of Independent Systems initiated a significant attack on Kamino, the home planet of the clone troopers. [7]
- In an effort to compel the moon to align with the Separatist Alliance, the Trade Federation imposed a blockade on Pantora, and dispatched bounty hunters to kidnap the daughters of Pantoran Supreme Chairman Notluwiski Papanoida. The Chairman, along with his son Ion, Senator Riyo Chuchi, and Jedi Padawan Ahsoka Tano, rescued the daughters from Tatooine and the Droid Control Ship, effectively ending the blockade. [16]
- Cad Bane took members of the Galactic Senate hostage to secure the release of Ziro the Hutt from prison. [17]
- With funding from the InterGalactic Banking Clan, the Separatists notably ordered over three million battle droids. [18]
- Rescue on the Tranquility [19]
- Mission to Vassek 3 [19]
- Skirmish at Vanqor [19]
- Mission to Florrum [19]
- Battle of Quell [19]
- Defense of Maridun [19]
- Skirmish on Orto Plutonia [19]
- One-Day War [19]
- Raid on Nuvo Vindi's laboratory [7]
- Mission to Iego [7]
- First Battle of Felucia [7]
- Raid on the Jedi Temple [7]
- Battle of Devaron [7]
- Mission to Glee Anselm [7]
- Second mission to Rodia [7]
- Attempted kidnapping of Roo-Roo Page [7]
- Mission to Black Stall Station [7]
- Mission to Mustafar [7]
- Destruction of Felucia Medical Station HCTFF2 [7]
- Skirmish on Felucia [7]
- Battle of Malastare [7]
- Zillo Beast incident [7]
- Mission to Cato Neimoidia [7]
- Battle near Dorin [7]
- Second Battle of Geonosis [7]
- Defense of Dantooine [7]
- Skirmish aboard TB-73 [7]
- Siege of Grange [20]
- Rescue of Galen Erso [20]
- Attacks on hyperspace routes [21]
- Capture of Eeth Koth [7]
- Battle of Saleucami [7]
- Attack on a Republic cruiser [7]
- Attack on the Memorial Shrine [22]
- Fight on Concordia [7]
- Skirmish aboard the Coronet [7]
- Plot to assassinate Satine Kryze [7]
- Sabotage of the Endurance [7]
- Mission to Vanqor [7]
- Second mission to Florrum [7]
- Skirmish at the Sundari docks [7]
- Battle of Kamino [1]
- Blockade of Pantora [16]
- Kidnapping of the Papanoida daughters [16]
- Rescue on the Pantora Droid Control Ship [16]
- Rescue in Chalmun's Cantina [16]
- Senate hostage crisis [17]
- Showdown on Teth [23]
- Jyn Erso was born on Vallt. [14]
- Pru Sweevant was born [24] on Narq. [25]
- Sabine Wren was born [4] on Krownest. [26]
- Wilmon Paak was born [27]
- During the rescue operation on the Tranquility [28]:
- Faro Argyus [28]
- Green Leader [28]
- During the mission to Vassek 3 [29]:
- Bel [29]
- EV-A4-D [29] (later rebuilt) [30]
- Fil [29]
- Gor [29]
- Nahdar Vebb [29]
- Niner [29]
- During the mission to Florrum [31]:
- Barb Mentir [31]
- Kharrus [31]
- Mack [31]
- Turk Falso [31]
- 685 died during the skirmish on Orto Plutonia. [10]
- Chi Cho died during the One-Day War. [10]
- TR-350 died before the Raid on Nuvo Vindi's laboratory. [12]
- LEP-86C8 died during the Raid on Nuvo Vindi's laboratory. [32]
- Todo 360 perished during the Raid on the Jedi Temple. [13]
- Ord Enisence [13]
- During the Battle of Devaron [33]:
- Bolla Ropal [33]
- Denal [33]
- Koho [33]
- RO-Z67 was killed during the mission to Mustafar. [2]
- During the skirmish on Felucia [34]:
- A pirate scout [34]
- Rumi Paramita [34]
- During the Zillo Beast incident [35]:
- Hawkeye [36]
- Kosmos [35]
- The Zillo Beast [35]
- During the Second Battle of Geonosis [37]:
- TX-21 [38]
- O.M.5 [39]
- Buzz [39]
- Gearshift [39]
- Trap was killed during the skirmish aboard TB-73. [40]
- TV-94 died during the Battle of Saleucami. [41]
- Nack Movers died on Coruscant. [42]
- A Death Watch saboteur was killed during an attack on a Republic cruiser. [22]
- A Death Watch bomber died just after the attack on the Memorial Shrine. [22]
- During the skirmish aboard the Coronet [43]:
- Redeye [43]
- Mixer [43]
- Andimor Gray [43]
- Tal Merrik [43]
- Jerec died during the Bombing on Kalevala. [44]
- During the plot to assassinate Satine Kryze [44]:
- Aramis [44]
- Davu Golec [44]
- R8-B7 was destroyed on Vanqor. [45]
- Ponds died aboard Slave I. [46]
- Castas died on Florrum. [46]
- During the Battle of Kamino [1]:
- 99 [1]
- Colt [1]
- Havoc [1]
- During the Senate hostage crisis [17]:
- Jayfon [17]
- Philo [17]
- An IG-86 sentinel droid [17]
- Rafa and Trace Martez's mother and father [47]
- Ziro Desilijic Tiure was killed on Teth. [23]
- Kaeden and Miara Larte's parents died on Raada. [48]
- Onaconda Farr and Mee Deechi died on Coruscant. [49]