1528: Spanish explorer Cabeza de Vaca lands in Texas.
1860: Abraham Lincoln elected president.
1895: German scientist discovers x-rays.
1900: Margaret Mitchell, author of "Gone With the Wind", is born.
1944: FDR wins unprecedented fourth term.
1972: Nixon re-elected president.
1973: Maurice Ferre becomes first Puerto Rican to lead a major US mainland city - Miama Florida.
1989: Two African American firsts - David Dinkins is elected mayor of New York City and Douglas Wilder is elected as Lt Governor in Virginia.
1991: Magic Johnson announces he is HIV-positive.
1994: Salvatore "Sonny Bono" is elected to the US Congress.
2000: Hillary Clinton is elected to the US Senate.