PPSN (Parallel Problem Solving from Nature) is a biannual European conference on bio-inspired algorithms that started in 1990 in Dortmund, Germany. It was originally the cousin conference of ICGA, and both conferences were alternating. All historical details are available here.
EvoStar (also written Evo*) is a yearly event organized by SPECIES, the Society for the Promotion of Evolutionary Computation in Europe and its Surroundings. Evo* is an event that bundles 4 conferences (EuroGP, EvoApplications, EvoCOP, and EvoMUSART). Details are here available here.
IEEE CEC (Congress on Evolutionary Computation) is a yearly conference that started in 1994 in Orlando, FL, USA. It is co-located every second year with the WCCI (World Congress on Computational Intelligence).