Event:
Britain and China initial agreement return Hong Kong to China in 1997
More Notable Events on September 26:
1991 2 year experimental Biosphere 2 in Oracle Arizona begins
1990 Motion Picture Association of America creates new NC-17 rating
1988 New York City's Rockefeller Center declared a national landmark
1973 Concorde flies from Washington D.C. to Paris in 3h 33m
1919 U.S. President Wilson hit by a heart attack
