Science
116 events, sorted by fame.
Discovery of polonium1898 · Science
Discovery of molybdenum1778 · Science
Discovery of osmium1804 · Science
Discovery of astatine1940 · Science
Discovery of hafnium1922 · Science
Discovery of tantalum1802 · Science
Discovery of tellurium1783 · Science
Discovery of yttrium1787 · Science
Discovery of CeresJanuary 1, 1801 · Science
Discovery of technetium1937 · Science
Discovery of indium1863 · Science
Discovery of rhodium1803 · Science
Discovery of ruthenium1844 · Science
Discovery of thorium1828 · Science
Discovery of zirconium1789 · Science
Discovery of actinium1899 · Science
Discovery of neptunium1940 · Science
Discovery of lanthanumJanuary 1839 · Science
Discovery of rhenium1925 · Science
Discovery of thallium1861 · Science
Discovery of europium1901 · Science
Discovery of cerium1804 · Science- Discovery of hassium1984 · Science
Discovery of rutherfordium1964 · Science
Discovery of lutetium1906 · Science
Discovery of samarium1879 · Science- Discovery of seaborgiumJuly 1974 · Science
Discovery of californium1950 · Science
Discovery of dubniumFebruary 18, 1970 · Science
Discovery of einsteinium1952 · Science
Discovery of protactinium1917 · Science
Discovery of americium1944 · Science- Discovery of bohrium1976 · Science
Discovery of gadolinium1880 · Science- Discovery of meitneriumAugust 29, 1982 · Science
Discovery of oganessonJune 2002 · Science
Discovery of promethium1945 · Science
Discovery of dysprosium1886 · Science
Discovery of fermiumDecember 1952 · Science
Discovery of neodymium1885 · Science
Discovery of nobelium1958 · Science
Discovery of praseodymium1841 · Science
Discovery of berkelium1949 · Science
Discovery of curium1944 · Science- Discovery of darmstadtiumNovember 9, 1994 · Science
Discovery of terbium1843 · Science
Discovery of erbium1843 · Science
Discovery of lawrenciumFebruary 14, 1961 · Science
Discovery of mendelevium1955 · Science- Discovery of roentgeniumDecember 8, 1994 · Science