1933 - William Wrigley III, born on the 21st of January in Chicago, Illinois. was President of the Wm. Wrigley Jr. Company, founded by his grandfather William Wrigley, Jr.
1961 - The company enjoyed a substantial lead in the chewing gum industry during his early years with the firm, by the time he assumed the presidency.
1977 - He inherited ownership of the Chicago Cubs.