On July 1, 1893, President Grover Cleveland vanished. He boarded a friend's yacht, sailed into the calm blue waters of Long Island Sound, and disappeared. He would not be heard from again for five days. What happened during those five days, and in the days and weeks that followed, was so incredible that, even when the truth was finally revealed, many Americans simply would not believe it.

[source: Rochester City Newspaper events calendar, 2018-Jun-25]