On this day:
1902: Pierre and Marie Curie discover the radioactive element radium
1951: A human organ is surgically replaced for the first time
Born on this day:
1889: Adolf Hitler, Austrian/German politician, Chancellor of Germany
Gone on this day:
1918: Karl Ferdinand Braun, German/American physicist, Nobel Prize laureate
1970: Shakeel Badayuni, Indian poet and lyricist