Let's see. In the evolution of the genus Homo (as in Homo Erectus, Homo Neandertalensis, and Homo Sapiens), the upright individual would have had his hands free AND his brain sufficiently developed around 50,000 to 100,000 years ago, for this kind of development to have occurred. But that's still conjecture, just a guess.
Johann Gutenberg
Not sure, but it's in my apartment.
Obsidian stone
It was made in cave men times and all it was is a thick stick and some fire on the top.
its about a fat woman farting it was made in 1000 AC... true fact
No individual made the first knife as the first knives were made of pieces of stone that was either broken or flint knapped.
A stone knife possibly.
Stone, namely flint.
Stone, namely flint.
Who made the first ever scooter
Jim Bowie is credited with the knife that came to also be known as a 'Texas toothpick'.
19th century (1830 to be exact)
The first cookie ever made was in the year of 1885
The Cheeky Dog was the first webkin ever made.
Areo was the first style ever made. This is from Kendall Gunderson who wrote this answer.
1908. If you restrict yourself to the Boy Scouts of America, 1910 (by New York Knife Company).
The first toothpaste ever made around the 1800s. A dentist by the name of Peabody, made the first toothpaste with soap in it in 1824.