Region Badges Over Time

(A region can have two such Badges, mapper and ruler):

Find the region history of WalterBlue.

Isengrim, Trolske, ek95, Saturnglimmer, Body242, DaanVZ, TXL1, Lingonberry, Megachip, drii, Aguti, Barney.vk, Pieper, blaues_Wunder, Jaroslav, Kosmokrat, kknkj, Moggus, Dasm, LeiLar, T-Rex, SzyMarek, Bart23, Bomo, BoF-GB, spiceWeazel, Jaxel, Ilexa, michixlol, Goldesel, Knuspakex, Derholzspan, werla, Herr_Korn, KlapperKero, Wurm, HaraldLegner, Hugosoft, Schatzforscher, allerding5nein, Goak, Heisenberg, thorkel, DasUmmi, Badger, QueenOfNowhere, redgate, 4N3G4ZPK, Gammelsmurf, MegaAnt, Loki, Nananana, MasterFlo, vortex23, Skralg, kredrimi, wuffel, Hunter, carlptr, Daiten, gotchas, pj007, Ellikatz, Amonamarth, Corence, TrickyFoxy, CrazyChris, Kleiner, doinsk, AleksUA, Phii, radvaisin, Gaensebluemchen, manjartens, NasenBaer, Uschidibb, nateril, jenzanos, shibby_ronson, MCrideordie, Anolis, DI74, Blackcats, Bumblebee, olifant, godosoy, Drabr, Flomme, _yak, augxcgrwxo, Blink67, rabe85, Elianahere, onlineflow, Walkeroi, gokp, windthings, dessek, Eule, Coconut99, jellybelly, idle, lena_parshina5, Laphroaig, asp_fan_cb, GeHa, Steff, nirub, gasttor, CodeAsm, xwusel, Chmmr, Nick, Busterania, Svenibeu, VRHero, InI4, Leckmuschel, Saniafeh, Sergeich0, Ardik, Felix11, color_poisoning, 1Test1, loptsky, dorima, Venis, RudiTeam, oldfather, lucy, Tanuki, Usagi91, Mottenmann, Jerk, MyeyesBurn