Event:
The Spanish region of Catalonia plans to hold a referendum on independence; the Spanish government is moving to challenge the legality of such a move in the nation's Constitutional Court
More Notable Events on September 27:
1990 Tour de France champion Greg LeMond visits White House
1989 Sony purchases Columbia Pictures for $3.4 billion cash
1964 Warren Commission released, finds Lee Harvey Oswald acted alone
1961 Sierre Leone becomes 100th member of U.N.
1916 1st Native American Day celebrated, honoring American Indians
