To atone for Krona's crime and restore order, the Oans become the Guardians of the Universe.
The Guardians trap all random magic into a Starheart.
The Guardians recruit sentient beings and launch the Green Lantern Corps, armed first with ray guns charged by batteries. Eventually, they award the Corps miraculous power rings, driven by the wearer's will. The universe is divided into 3600 individually patrolled sectors. Earth is sector 2814.
The Justice League of America forms to thwart the Weapons Master. Green Lantern is among it's membership.
Renegade Green Lantern Sinestro is stripped of his power ring and banished to Qward. He Later returns to battle the Corps and Jordan armed with a yellow power ring.
The Justice Society re-forms, Green Lantern Alan Scott is in it's ranks.
Hal Jordan's employer and girlfriend Carol Ferris, possessed by a Zamaron gem, becomes the villianess Star Sapphire.
Hal Jordan, Green Arrow Oliver Queen, and the guardian "Old-Timer" journey across America.
John Stewart is awarded complete Corps status as Green Lantern of Earth.
The Anti-Monitor leads hordes of Shadow Demons from the anti-matter universe of Qward to destroy all reality in the Crisis.
Alan Scott and the Justice Society are trapped in limbo.
John Stewart joins a cadre of heroes in a cosmic odyssey to thwart Darkseid.Stewart's overconfidence allows the planet Xanshi to be destroyed.
The Green Lantern Corps disbands. The Guardians leave the Material Plane to perpetuate their species.
The Guardians return from their wanderings.
The Green Lantern Corps is reinstated. A charge is made to induct new members led by Hal Jordan, who later claims the power ring and control of space sector 2814 fromm Guy Gardner.
Alan Scott and the Justice Society return from limbo.
Wanting to resurrect Coast City, Hal Jordan Defies the Guardians, who send the Green Lantern Corps against him. Hal defeats the Corps and absorbs the energy of the Central Power Battery on Oa.
Sinestro is Killed.
Hal Jordan, now Parallax, attempts to remake reality during "Zero Hour". Alan Scott loses power ring and is made younger. The energies of the Starheart now a part of him, Scott is renamed Sentinel.
Kyle Rayner is awarded the last power ring by the sole surviving Guardian, Ganthet.
Guy Gardner manifests latent alien Vuldarian DNA and is tranformed into Warrior.
John Stewart joins the Darkstars, assumes leadership for a time and returns the Mosaic peoples to their home planets.
Kyle destroys Oa to thwart Hal Jordan's quest for even greater power as Parallax.
John Stewart's days as a Darkstar end when he is crippled. He is later healed by Hal Jordan.
Hal Jordansacrifices himself during the "Final Night", re-igniting Earth's sun and redeeming himself as a hero.
