This Day, That Year – March 6

George Nissen received a patent for the first modern trampoline on this day in 1945.

Did you know that:

• Joseph Jenkes was granted the first patent for making scythes on this day in 1646
• Dmitri Mendeleev presented the first periodic table of the elements to the Russian Chemical Society on this day in 1869
• Felix Hoffmann patented aspirin (acetylsalicylic acid) on this day in 1899