Jan 1, 1400
45,000 BC Neanderthal manNeanderthal man carves a picture on a woolly mammoth tooth.
Facts: Found near Tata, Hungery
Neanderthals killed woolly mammoths with heavy spears.
Jan 4, 1410
900 BC Chinese postal systemChinese devolp postal system to deliver written messages.
Facts: Delivered mail between empires.
It was only for the government.
Jan 4, 1420
776 BC Homing pigeonsHoming pigeons carry messages about the Olympics for Ancient Greeks.
Facts: Homing pigeons can go 60 mph for short bursts.
Homing pigeons use the sun and stars to navigate.
Jan 4, 1450
1450 Moveable printing pressJohann Gutenberg invents a printing press using moveable metal type.
Facts: He convinced a wealthy man to give him 800 guilders (I think that is equal to $448).
He published the 42 line bible in 1455
1792 Mechanical semaphoreMechanical semaphore is invented in France.
Facts: Could send a message 210 miles in ten minutes in good weather.
Invented by Claude Chappe
1837 Morse CodeSamuel Morse invents a telegraph that can send short and long beeps, called "dots" and "dashes"
Facts: There is an international version of the morse code.
Morse code is most popular among amateur radio operators although it is not needed to know anymore.