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, Derholzspan, Goldesel, Knuspakex, werla, Wurm, Schatzforscher, allerding5nein, Goak, Badger, spiceWeazel, thorkel, DasUmmi, Hugosoft, 4N3G4ZPK, QueenOfNowhere, redgate, Heisenberg, Gammelsmurf, Nananana, MegaAnt, Loki, Skralg, HaraldLegner, MasterFlo, wuffel, carlptr, Daiten, Ellikatz, gotchas, pj007, Hunter, Amonamarth, Corence, vortex23, CrazyChris, Kleiner, AleksUA, doinsk, radvaisin, Gaensebluemchen, manjartens, Phii, NasenBaer, TrickyFoxy, Uschidibb, nateril, Herr_Korn, DI74, shibby_ronson, jenzanos, Blackcats, kredrimi, Blink67, godosoy, Drabr, _yak, Anolis, rabe85, Eule, Coconut99, gokp, onlineflow, Walkeroi, augxcgrwxo, olifant, windthings, gasttor, xwusel, Chmmr, jellybelly, idle, Steff, Laphroaig, asp_fan_cb, GeHa, dessek, nirub, Jerk, lucy, Usagi91, Elianahere, lena_parshina5, Busterania, Svenibeu, Nick, Bumblebee, Saniafeh, Leckmuschel, Sergeich0, InI4, loptsky, Felix11, 1Test1, Venis, oldfather, MyeyesBurn, dorima, Tanuki, Mottenmann