This Day, That Year – February 25

John Holland was granted a patent for a submarine on this day in 1902.

Did you know that:

• The first performing monkey was exhibited in New York City on this day in 1751
• Samuel Colt patented the first multi-shot revolving-cylinder revolver on this day in 1836
• Thomas Davenport patented the first electric printing press on this day in 1837