Event:
Turkey sends troops to Syria to rescue 40 guards and relocate remains from the tomb of Sulayman Shah, which is now surrounded by ISIS militants; the site is internationally recognized as Turkish territory
More Notable Events on February 21:
1992 Kristi Yamaguchi of U.S. wins Olympic gold medal in women's figure skating
1972 Richard Nixon becomes 1st U.S. president to visit China
1970 Jackson 5 make TV debut on American Bandstand
1953 Francis Crick and James Watson discover structure of DNA-molecule
1885 Washington Monument dedicated in Washington D.C.
