Sonic the Hedgehog timeline

Timeline of Events

 * Unknown era: Babylon Garden was cast into the depths of earth
 * 4000 years ago: Pachacamac orchestrated an assault over the Master Emerald temple
 * 2000 years ago: Selena the Lynx sacrificed herself to drive away the Black Arms from the Bermuda Triangle
 * 70 years ago: The Shadow Project begins
 * Present era:
 * 1) Sonic the Hedgehog 1
 * 2) Sonic CD
 * 3) Sonic the Hedgehog 2
 * 4) Sonic the Hedgehog 3 & Knuckles
 * 5) Knuckles' Chaotix
 * 6) Sonic 3D Blast
 * 7) Sonic Adventure series
 * 8) Sonic the Hedgehog: Tag Team
 * 9) Sonic the Hedgehog: Bermuda Triangle