On July 9 in:

 

1945, American author Dean Koontz  is born;

 

1962, Andy Warhol's Campbell's Soup Cans exhibition opens at the Ferus Gallery in Los Angeles;

 

1776, George Washington orders the Declaration of Independence to be read aloud to members of the Continental Army in New York, New York             for the first time; 

 

1793, The Act Against Slavery is passed in Upper Canada and the importation of slaves into Lower Canada is prohibited and in;

 

1850, U.S. President Zachary Taylor dies and Millard Fillmore succeeds him as 13th President of the United States.