jadiil:Official pokemon story timeline confirmed by MatsumiyaRed/Green/Blue/Yellow = Ruby/Sapphire/E
jadiil:Official pokemon story timeline confirmed by MatsumiyaRed/Green/Blue/Yellow = Ruby/Sapphire/Emerald -> (2 years later) Gold/Silver/Crystal = Diamond/Pearl/Platinum -> (time gap) Black/White -> (2 years later) Black 2/White 2 = XY -- source link