July 24th in History1824: World's first opinion poll held in the United States
1925: Insulin successfully used for the first time to treat a patient
1985: France leads international campaign for sanctions against South Africa
July 24th birthdays1802: Alexander Dumas, French author of 'The Three Musketeers'
1898: Amelia Earhart, American aviator
1919: Peter Yates, British director