Thulium, holmium, and samarium

Two new rare earth elements, thulium (after Thule) and holmium (after Stockholm), were discovered and named to reflect Scandinavian connections. Another rare earth element, samarium, was also identified in the same year.
 Per Teodor Cleve Sweden 1879 Thulium, holmium, and samarium

Two new rare earth elements, thulium (after Thule) and holmium (after Stockholm), were discovered and named to reflect Scandinavian connections. Another rare earth element, samarium, was also identified in the same year.