On This Day

What Happened on July 9, 1856

Day of the Week: Wednesday

Famous Birthdays

  • Daniel Guggenheim, American mining magnate and philanthropist, born in Philadelphia, Pennsylvania (d. 1930)

Famous Deaths

Person of interestAmedeo Avogadro

Amedeo Avogadro, Italian scientist who contributed to molecular theory, including what is known as Avogadro's law (6.022 x 10 ^ 23), dies at 79

Scientist Amedeo Avogadro
Amedeo Avogadro
  • James Strang, Mormon splinter group leader (b. 1813)