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, Jaroslav, blaues_Wunder, Kosmokrat, kknkj, Pieper, Moggus, Dasm, LeiLar, T-Rex, Bart23, SzyMarek, Bomo, BoF-GB, Jaxel, Ilexa, michixlol, Knuspakex, Goldesel, Derholzspan, werla, Wurm, Schatzforscher, allerding5nein, Goak, Hugosoft, 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, Herr_Korn, CrazyChris, Kleiner, TrickyFoxy, Gaensebluemchen, manjartens, Phii, NasenBaer, AleksUA, doinsk, radvaisin, nateril, Uschidibb, DI74, shibby_ronson, jenzanos, Blackcats, kredrimi, Drabr, augxcgrwxo, _yak, Anolis, Blink67, godosoy, Flomme, MCrideordie, olifant, windthings, rabe85, Eule, Coconut99, gokp, onlineflow, Walkeroi, Laphroaig, asp_fan_cb, GeHa, dessek, nirub, gasttor, xwusel, Chmmr, lena_parshina5, jellybelly, idle, Steff, InI4, loptsky, Felix11, 1Test1, Venis, oldfather, MyeyesBurn, dorima, Tanuki, Mottenmann, Jerk, lucy, Usagi91, Elianahere, Busterania, Svenibeu, Nick, Bumblebee, Saniafeh, Leckmuschel, Sergeich0