Timeline

1800s

 * SCP Foundation is founded

1940s

 * Fazbear Inc. is founded

1980s

 * The Chernobyl Disaster happens

1990s

 * USSR falls

2000s

 * Pinewood Builders is founded
 * Sandsharks is founded

2010s

 * Hannah Builders is founded
 * Innovation Inc. is founded
 * Rickytech is founded
 * Tihoshadow Inc. is founded
 * Unnamed Productions is founded
 * Rickytech falls
 * Slavka Builders is founded
 * Slavka Builders-Tihoshadow Inc. Conflict starts
 * Korbitron is founded
 * LoLL Builders is founded
 * ATOM C.O is founded

2020s

 * Nuclear Meltdown at Site-13
 * Robloxia Civil Force is founded
 * Class-D are escaped from Site-19 due to nuclear meltdown in The Facility
 * Slavka Builders-Tihoshadow Inc. Conflict ends
 * D-Class successfully destroy Roblox City with the Nuclear Bomb
 * After The Nuclear Attack: The Begin Takes Place

2030s

 * Class-D is caughted by MTF Units to Site-31
 * ATOM C.O Submarine is builded
 * After The Nuclear Attack: Memories of The Village Takes Place in New York State
 * Korbitron Falls
 * Aperture Science Falls
 * After The Nuclear Attack: The End Takes Place in Japan
 * Tau Inc. Falls

2040s

 * After The Nuclear Attack: New Roblox City Takes Place
 * ATOM C.O falls with the submarine of the company

2050s

 * Pinewood Builders Falls
 * After The Nuclear Attack: The Fall of the Companies Takes Place
 * Hannah Builders Falls
 * Tihoshadow Inc. Falls
 * Unnamed Productions Falls
 * Slavka Builders Falls
 * LoLL Buiders Falls

2060s

 * Fazbear Inc. Falls
 * Innovation Inc. Falls

2070s

 * SCP Foundation falls

2080s

 * Sandsharks falls

2090s

 * Class-D Union falls