Babylon 5: The Sinclair Years 
2258
Week 52: Shadows assassinate President Santiago

2259
Week 26: Major Krantz joins the Rangers and sends his Second to Babylon 5 to recruit and train some of the Lurkers. Garibaldi is made aware of this and is sworn to secrecy, Ivanova finds out anyway but does not reveal this until the rest of the command staff are made aware of the Rangers and Shadows

Week 42: Delenn takes command of the Rangers after dissolving the Grey Council and orders the design and construction of the White Star fleet

Week 52: Fall of Narn; Kosh reveals himself to save Sinclair from a Centauri assassin

2260 
Week One:  Shadows begin attacking League worlds

Week Eleven: Garibaldi recieves a communique from Talia Winters on Mars

Week Twelve: Ivanova recieves a distress signal from a future Babylon 5

Week Thirteen: All civilian and military communications to Babylon 5 from Earth cease

Week Fourteen: No more transports arrive at Babylon 5 from the Solar System

Week Fifteen: EarthForce considers Babylon 5 station destroyed

Week Sixteen: Garibaldi and Lyta Alexander arrive at Mars. It's a trap conceived by Psi Corps. Garibaldi is captured, Lyta barely escapes back to Babylon 5.

Week Seventeen: Sinclair and Zathras take Babylon 4 back one thousand years. Before this he tells Sinclair he is the One Who Was, he tells Delenn she is the One Who Is and he tells Ivanova she is the One Who Will Be

Week Thirty:  Marcus Cole arrives at Babylon 5 in White Star One. He informs Delenn that the Warrior Caste has seceded from the Minbari Federation. Lieutenant-Commander Ivanova, Zack Allan, Lyta Alexander and Doctor Franklin are told about the Rangers and the Shadows. Zack takes over Security in Garibaldi's absence. Ivanova promotes herself to Commander and takes over overall control of Babylon 5.

Week Thirty-Two: With the aid of the Mars Resistance and the Rangers who smuggle them to Mars, Lyta and Franklin successfully rescue Talia.

Week Thirty-Three: Kosh restores Talia's original personality  

Week Forty: The beginnings of a Telepath Colony on Babylon 5. Lurkers and others are recruited by security and maintenance with the absence of new recruits from Earth.

Week Fifty : Citizen G'kar is captured on Narn and brought to Centauri Prime.

Week  Fifty-Two:  Telepath War Round One: Psi Cops via their dupes seize control of a dozen Earth warships, several outposts and all colonies beyond Mars, including Io.

2261
Week One:  Clark isolates Earth and Mars from the rest of the Earth Alliance and declares Martial Law 

Week Two: Lyta returns to Mars to organise resistance against the Psi Corps

Week Four: The Drakh begin to attack League Worlds randomly using Centauri Prime as a base

Week Fifteen: The EAS Agamenmon, under the command of John Sheridan, recieves a distress signal apparently from Babylon 4.

Week Thirty-Five: Fall of Centauri Prime. Shadows install Londo Mollari as puppet Emperor. Unknown to Mollari they establish a base on Centauri Prime.

Week Forty: Garibaldi returns to Babylon 5

Week Fifty-One: Minbari renegades begin attacking Earth Alliance outposts

Week Fifty-Two: Realising his mistake but unable to challenge the Shadows or Morden directly, Londo arranges for G'kar to escape back to Babylon 5 to warn Ivanova about the Shadows. In return he ends the occupation of Narn.

2262
Week One: Garibaldi takes over Ivanova's role in Command and Control.

Week Ten: Telepath War Round  Two; Garibaldi betrays Ivanova by allowing a covert team of Psi Cops aboard to destroy the Telepath Colony. Shadows, who came alongside the Psi Corps insertion, murder Kosh. Vorlons retaliate by attacking planets associated with the Shadows or hiding Shadow vessels.

Week Eleven: Ambassador G'kar donates 300 Narns to help with station security. Lyta returns to Babylon 5.

Weeks Twenty to Thirty: Telepath War Round Three;  Open conflict between ships loyal to Clark or the Psi Corps and those opposing

Week Forty : Vorlons reveal their Planet Killers

Week Forty-One: Ivanova and Delenn order the Rangers to seek out the remaining First Ones.

Week Forty-Four: Lyta removes the Psi Corps conditioning from Garibaldi

Week Forty-Two: Telepath War Round Four; Psi Corps military and research bases on Earth and Mars are destroyed.

Week Forty-Five: Valen returns to Minbar and unites the castes. Delenn sets up new Interstellar Alliance;  Minbari Federation, Epsilon 3, Narn Regime and Babylon 5 are founding members. The former League worlds join later.

Week Forty-Seven: Earth anti-Clark forces join with Minbari Warrior Caste forces in destroying Vorlon Planet Killer

Week Forty-Eight: First Ones destroy second Planet Killer.

Week Fifty: Agamenmon tows Babylon 4 to the Epsilon system; Ivanova takes over Rangers for President Delenn using the station as a base. Other races are permitted to join the Rangers.

Week Fifty-One: Sinclair-Valen resumes command of Babylon 5 just as the Shadow Death Cloud approaches the Epsilon System.

2263
Week One: To end the Shadow War once and for all Lyta destroys Z'ha'dum by turning its defenses against itself, after commandeering a White Star for the purpose. Drall dismantles the Death Cloud after the Shadows shut it down.

Week Two: Garibaldi, Franklin and Talia kidnap President Clark; being smuggled in and out of EarthDome by General Hague. The connections between Clark, the Psi Corps and the Shadows are revealed in public.

Week Four: First Ones convince Vorlons to leave galaxy; beginning of Third Age of Mankind

Week Thirty: The reconstituted Earth Senate removes bans on telepaths serving in the military and dismantles the resettlement camps for rouge telepaths. There are still stiff penalties against unauthorised scans.

Weeks Thirty to Forty: Sporadic attacks by Clark loyalists against Alliance members

Week Forty: Shadow tech illegally held by elements of the Earth Alliance is confiscated and destroyed.

Week Fifty: The Earth Alliance joins the Interstellar Alliance

2264
John Sheridan elected President of the Earth Alliance

2265
The Psi Corps is officially disbanded and all dupes reprogrammed by order of the EA Senate but Lyta Alexander is exiled from the Earth Alliance along with other resistance leaders. Eventually a small group of followers settle on Vorlon after dismantling the local jumpgate to avoid retaliation.

2272
G'kar elected Interstellar Alliance President

2278
Mollari and G'kar kill each other to avoid Shadow retribution. On Mollari's death, 100 fusion bombs connected to Mollari's central nervous system as a dead man's switch, detonate destroying all remaining Shadow vessels and thralls. Vir Cotto crowned Emperor. Execution of Morden. Centauri Republic joins IA.