On this day in 1821 Mexico gains its independence from Spain. Wait a second, isn't that supposed to be Cinco de Mayo? No, you drunk American, that is the anniversary of the battle of Puebla, against the French. Ok, but I Googled "Mexican Independence Day" and it came up with Grito de Delores, or for those of us who don't speak Mexican, September 16th. Why was this not mentioned in the blog? I don't know, maybe it was a busy day? Nope. Maybe I'm just racist. What am I blogging about? Oh yeah, Mexican independence. On this day in 1821 some rebels called the "Army of the Three Guarantees" entered Mexico City in triumph of their new nation from a treaty signed by Spain on August 24th. Wait, another day? No wonder dumb gringos think it's Cinco de Mayo.
On this day in 1905 the journal Annalen der Physik received Albert Einstein's paper "Does the Inertia of a Body Depend Upon its Energy Content?". This was the official introduction of the equation E=mc(squared). I can't get that cute little "2" dangit. This was the equation that created modern physics and added to the growing reputation of the great German scientist. It was published two months later and called the theory of relativity.
On this day in 1954 the "Tonight Show" made its nationwide debut. The first host was Steve Allen, followed by Jack Paar, Johnny Carson, Jay Leno, Conan O'Brien, and Jay Leno. It is the longest running regularly scheduled program in the United States.
On this day in 1997 the Mars Pathfinder gave out its final transmission to Earth. It had landed on Mars on July 4th, 1997 after a 7 month journey to the red planet. Once it was clear that it had landed correctly the rover "Sojourner" was deployed to check out nearby rocks and take readings from the soil. Many detailed pictures were taken and it achieved all of its mission parameters in the first month.
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