CONQUEST OF AMERICA: -AMERICANS were slow to accept the tomatoes, until Colonel Robert Johnson of Salem, New Jersey ate an entire basket of tomatoes before 2000 people, on September 26, 1820.As he did not fall sick or die, it was the start of American’s love affair with the tomatoes! In 1897, soup mogul Joseph Campbell cam out with condensed tomato soup. It made a fortune for the company and ensured that tomatoes a permanent place in American’s heart.