Alien invasions of Earth

Earth has been the subject of several Alien invasions. You may be looking for one of the following.
 * The Sith Invasion, occurred in 2865.
 * The Omicronian Invasions, occurred in 3000, 3001 , and 3010.
 * The Brain Spawn Invasion, occurred in 3002
 * The Nintendian Invasion, imagined in 3002.
 * The Decapodian Invasion, occurred in 3003.
 * The Thubanian Invasion, occurred in 3010.