Here’s a look at some interesting events that took place on this day in history:

1752 – Benjamin Franklin proves that lightning is electricity (More info)

1775 – George Washington is appointed commander-in-chief of the Continental Army (More info)

1804 – The Twelfth Amendment to the United States Constitution is ratified. It provides the procedure for electing the President and Vice President. (More info)

1864 – Arlington National Cemetery is established (More info)

1916 – U.S. President Woodrow Wilson signs a bill incorporating the Boy Scouts of America, making them the only American youth organization with a federal charter (More info)