Region Badges Over Time

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

Find the region history of WalterBlue.

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