Dentyne was invented in 1899
In 1930
in the year 1955
You can eat some kinds of crystals... salt crystals and sugar crystals, for example. It's probably not a good idea to eat, say, quartz crystals, though.
1999 by Mike Laziridis
Crystals occur naturally and have been formed in the Earth's crust for millions of years. No single person can be credited with inventing crystals, as they have existed long before human civilization. Humans have been using and admiring crystals for their beauty and metaphysical properties for centuries.
Salt crystals are naturally occurring minerals formed through the evaporation of salt water or brine. They are not "invented" by any individual, but rather a natural geological process. Humans have been harvesting and using salt crystals for thousands of years.
30 AD in Southeast Asia in East India.
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Nobody invented a rhombus. There are crystals in nature which are rhombic in shape. These were in existence billions of years before the first humanoid appeared on the planet.
Tally was invented in the year 1988
It was the same year that they invented the VCR.
Your mom is what year they were invented
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toothbrush was invented in the year 1939
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