Short Timeline

From Megaman Mush Wiki

2212
6/18 - Opening Night
6/29 - The Stardroids appear and declare they will judge the world's balance.
12/17 - Skull Fortress is destroyed, Wily relocates to Robotropolis, in Cuba.

2213
2/17 - Transporter tampering opens rifts to other dimensions. Two days later this causes Starhaven to fall on Vancouver and destroy it.
3/6 - Kaiser Sigma, from a possible future, is defeated and sent back to his own reality in pieces. Robotropolis is destroyed in the battle.
3/7 - Robot Masters relocate to the WilyStar, an orbital base.
5/22 - Dr. Wily vanishes, King takes over the Robot Masters.
6/12 - Dr. Wily is recovered. King is torn apart by Bass, then reprogrammed.
7/7 - The Stardroid Duo declares the world will be destroyed. The factions put aside their differences to hunt down the Stardroids and stop them.
7/14 - Duo is destroyed on Easter Island by a coalition of Earth's finest.
9/11 - The first Battle & Chase is held.
9/27 - The Mavericks level Berlin.
10/18 - Dr. Wily runs for United Nations Secretary-General under an assumed name, but is defeated by Kelly McLaren.
12/3 - Mavericks destroy the WilyStar, WilySphere built in Mariana Trench.
12/28 - The world is threatened by robotic parasites known as Cancers.

2214
2/9 - Double impersonates Colonel and increases Hunter/Repliforce tensions.
2/11 - An attack by Maverick Repliforcers turns world against Repliforce.
2/13 - The Battle of Repliforce Island. Fortress II is destroyed.
2/16 - Double discovered and killed by Protoman. Repliforce pardoned by UN.
4/4 - Visitors from alternate universes again come to this world.
5/15 - Yakuza unveil Shadow Hunters and recruit genius hacker Techno.
6/9 - The second Battle & Chase is held.
7/7 - The space city Eurasia is built with the Gateway Teleporter system. Robot Masters steal the Gateway and hold Eurasia for several weeks.
7/15 - Tron Bonne clones Dr. Wily, creating Scott Wily, who builds the Robot Overlords.
10/10 - Neo-Tokyo frozen by a Robot Master ice ray, which is destroyed by Repliforce several days later.
10/31 - The Raccoon Incident. Umbrella Corporation is blamed for the zombie outbreak. General destroys Raccoon City.

2215
1/- - The Hunters move into a derelict ship on a South Pacific island.
1/- - The factions vie for Stardroid artifacts across the world. Brought together, an entity is brought to life, destroys El Paso and vanishes.
2/- - Mavericks conquer much of Europe and the Robot Masters conquer Africa.
5/17 - The third Battle & Chase is held.
7/- - Gate tries but fails to create robots immune to the Maverick Virus.
11/- - The Stardroids reappear, in service to a world-destroying entity known as Nigh. The world bands together to destroy them and stop Nigh.
12/21 - The site of Jonestown, French Guyana, is destroyed by Asteroid B.

2216
2/- - Pittsburg destroyed by an asteroid.
5/19 - The fourth Battle & Chase is held.
6/- - Repliforce destroys Skullmanjaro, Robot Masters move to Antarctica.
7/- - Repliforce's Monolith base in England is destroyed.
8/- - Infighting destroys the Striders.

2217
1/1 - Scott Wily & Epsilon merge forces, forming the Irregular Overlords.
3/8 - Light Labs Neo-Tokyo is destroyed by Gemini Man.
4/- - Elpizo conquers Mexico City and forms the anti-robot Neo Arcadia.
4/12 - Sigma is destroyed by Protoman. The Irregular Overlords part ways.
5/10 - Vile kills the Pope. The Vatican relocates to Brazil.
5/14 - Gate cures the Maverick Virus.
5/28 - Kelly McLaren is assassinated. James Houseman becomes Sec-Gen.
5/31 - Dr. Doppler rebuilds Sigma, and the Sigma Virus is born.
6/24 - Repliforce is decommissioned by Houseman, but continue independently.
7/27 - Fortress IV is destroyed in construction.
7/30 - The Battle of Normandy. UN forces & Mavericks slaughter each other.
8/26 - Much of South Africa is destroyed by an orbital ion cannon. James Houseman and co-conspirator Arkady Bogdanov are killed by members of Interpol and Dr. Cossack. Chord becomes Secretary-General.
9/- - The fifth Battle & Chase is held.
11/27 - Repliforce ousts Wily from Africa with Fortress V.

2218
1/- - Russia's government collapses.
2/- - Dr. Wily declares himself emperor of Japan.
2/26 - Gaudile reveals the Force Metal Generator to the world.
3/17 - Wily pretends to be ousted by a creation, Redips, in order to abuse his friendship with Dr. Light to create an even more deadly weapon.
4/25 - Neo Arcadia goes to war with Repliforce over Central America.
5/1 - The Hunters bases in Tartarus and the South Pacific are destroyed by Maverick infiltrators in their midst.
6/4 - Wily resumes command of the Robot Masters. His terror weapon, Gamma, is destroyed.
6/11 - The Mavericks are ousted from Europe and their holdings destroyed.
7/3 - The Robot Masters are kicked out of Japan.
7/21 - Australia bans all reploids.
8/17 - Duo.EXE is discovered, a free-thinking internet sentience.
8/31 - Gate goes Maverick. Lumine is created.
10/5 - Giga City is built on the ruins of Vancouver.
12/8 - The Irregulars return from space, telling of horrors on Mars.

2219
1/1 - Gemini Man destroys much of San Angeles with a Force Metal bomb.
1/7 - Explorers from Earth reach Mars. They discover the Robot Gentlemen, servants of the evil entity Ra Moon.
1/12 - The Space Elevator is unveiled.
2/3 - Ra Moon is apparently destroyed on Mars. Dr. Light unleashes a device that terraforms the planet.
2/15 - The sixth Battle & Chase is held, the first on Unity Atoll.
3/3 - Able City is built off the coast of Australia.
3/25 - Scott Wily destroys most of his creations before being killed by Rock.
4/22 - Duo.EXE is apparently destroyed fighting a digital Ra Moon.
4/29 - Ra Moon begins recruiting Blackguards. Protoman betrays the world.
6/1 - Ra Moon is defeated at the climax of a concert designed to draw him out so he could be trapped. The entity is imprisoned in deep space.
6/6 - Neo Arcadia ceases control of Mexico.
6/7 - Protoman is pardoned, inadvertently pardonining all Mavericks as well.
7/21 - Strider Grandmaster Meio attempts genocide and is apparently killed.
8/7 - Elpizo's Genocide Virus threatens all reploids worldwide. Its cure also finally cures the Sigma Virus. Two weeks later, Sigma is killed by Lumine, who assumes command of the Mavericks.
8/27 - Australia reluctantly allows reploids in their nation once more.
8/25 - The Maverick Hunters are kicked out of the United States.
8/27 - The Willamette Incident. Zombies destroy a midwestern town, led by the monstrous Alexia Ashford, who is apparently destroyed.
11/2 - An attempt to resurrect Ra Moon rips a hole in reality and San Angeles is written over by multiple dimensions for the next two months.

2220
1/1 - Innerpeace is founded in Australia. Neo Arcadia is destroyed, and its members scatter or surrender to authorities. Elpizo is not found.
1/15 - The seventh Battle & Chase is held. The first N1 Grand Prix is held.
3/7 - Dimensional rifts appear across the planet for two months, culminating in a fight with an insane Copy X, who is killed in a collapsing dimension with Elpizo's
sudden reappearance and sacrifice.
6/- - Dr. Weil conquers Belgium with the remnants of Neo Arcadia and new enhanced humans loyal to Alexia Ashford. They call the city Elysium.
6/26 - The Robot Masters relocate to Eclipse, a lunar city.
7/18 - Mega Man pretends to join Wily, leading to an international incident.
9/11 - U.S. President Seers is assassinated. Marvin Thackery takes office.
10/26 - Vampires appear in San Miguel, Mexico, and are defeated by Django and Sabata, interdimensional travelers.
11/12 - The Robot Masters conquer most of San Angeles and set up shop in San Quentin Penitentiary, now known as Skull Quentin.
12/10 - Renegade Hunters and Repliforcers known as Gospel join pirate captain Charlie Archer and fight Repliforce. One week later, they conquer the nation of Sri Lanka and Archer is apparently killed in battle.

2221
1/1 - Protoman destroys Able City, Eclipse, and Elysium with Force Metal bombs. Capitalizing on this, Alexia Ashford and Weil spread the T-Virus across the planet, causing a zombie holocaust. Epsilon is apparently killed in Able City.
1/17 - Dr. Weil conquers Eurasia.
1/19 - Epsilon appears alive. The Irregulars begin to assimilate the remnants of the Mavericks into their ranks.
1/25 - Vile is killed by Dr. Cossack. Protoman kills Sage Harpuia.
1/30 - Dr. Wily creates a superweapon using a 'starseed.' He rampages across the world with it for three days, until he is stopped by Mega Man, who dies in the battle.
2/4 - Dr. Wily kills Dr. Light in battle. The original six Robot Masters break his loyalty programming and apparently destroy him.
2/6 - Grandmaster Meio resurfaces, and his Ouroboros forces stake a claim in China.
2/11 - Charlie Archer is found alive, but controlled by Meio. He is freed by the heroes three weeks later, and joins the Resistance against Weil.
2/29 - The remaining Guardians of Neo Arcadia are killed in battle by servants of the Professor, an associate of Grandmaster Meio.
3/14 - Alexia Ashford and Dr. Weil are killed, the T-Virus is cured, and Eurasia is destroyed. Protoman is killed by Teresa Magrevich. Gospel is destroyed when Alloy uses Excalibur to kill Mister Famous.
3/21 - Rock is resurrected by Roll, but doesn't regain his memories for months. Dr. Light reappears as a holographic entity around this time.
4/19 - The Fortress V is wrecked during a battle, and Repliforce scuttles it.
5/4 - The eighth Battle & Chase is held. The second N1 Grand Prix is held.
7/11 - The UN capital building in Seoul is bombed by terrorists.
7/20 - San Angeles is returned to US control. The Robot Masters relocate Skull Quentin to a volcano in Indonesia. Rock regains his memory.