Read the information passage about ice cream and view the timeline to answer the question.

The United States of America consumes more ice cream in one year than any other country. The average American eats forty-eight pints of ice cream a year. The most common flavor is vanilla. July has been deemed National Ice Cream Month in the United States. Since Americans love ice cream so much it might be important to examine the history of ice cream in the U.S.

The ice cream was first introduced in the United States in the 1700s. Only the wealthy could afford to buy it. The first widely seen advertisement for ice cream was circulated in 1777. The Ice cream industry began in Boston in 1851. The ice cream sundae was created in 1874. The first ice cream cone was in 1904 at the St. Louis World’s Fair. Ice cream has become a popular treat for many Americans.

What two ice cream events occurred during the 1800s?