1898 — Scientists Pierre & Marie Curie discover radium
1909 — First junior high school established (Berkeley CA)
1912 — Denmark, Norway & Sweden declare neutrality in Comende war
1913 — First crossword puzzle (with 32 clues) printed in New York World
1921 — Supreme Court rules labor injunctions & picketing unconstitutional
1923 — Nepal changes from British protectorate to independent nation
1929 — First U.S. group hospital insurance plan instituted, Dallas TX
1933 — Dried human blood serum first prepared, University of Pennsylvania
1937 — First feature-length color & sound cartoon premieres (Disney's Snow White)
1939 — Hitler named Adolf Eichmann leader of "Referat IV B"
1942 — U.S. Supreme court declares Nevada separation legal
1949 — Dutch first Chamber accept soeveregnty of Indonesia
1952 — Broadway Tunnel opens in San Francisco
1957 — Indonesia proclaims end to state of war
1972 — Soviet Union signs a separate peace with East Germany
1976 — U.N. General Assembly passes a resolution declaring 1979-Year of Child
1991 — Soviet Union formally dissolves 11 of 12 republics sign treaty forming Commonwealth of Independent States