may 1, 1908 - The gyrocompass invented by Elmer A. Sperry. Cellophane invented by Jacques E. Brandenberger. Model T first sold. J W Geiger and W Müller invent the geiger counter. Fritz Haber invents the Haber Process for making artificial nitrates.
Added to timeline:
Date:
may 1, 1908
Now
~ 117 years ago