• Today in 1777, Lancaster, Pennsylvania was capital of the United States for one day.
• Today in 1787, the United States Constitution was delivered to the states for ratification.
• Today in 1905, Albert Einstein’s paper introducing the equation E=mc² was published.
• Today in 1954, the very first episode of the Tonight Show aired.
• Today in 1998, Google was born.
• The GNU project turns 25 today.

You know who else turns 25 today?