Region Badges Over Time

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

Find the region history of WalterBlue.

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