If you want to go way back, the wheel is always a good one. Or weapons such as sharpened sticks.
Some inventions of early China were the compass, row planting, the seed drill, and iron plows.
FIREWORKS, COAL, AND MAGNETIC COMPASS
Burglar alarm-1852
paper clip motor cyles
email, barcode, and floppy disk drive were some major invetiions in the 1970s
Well I know one of the early mesopotamian inventions was the plow.
Some inventions of the Neolithic Revolution include agriculture, pottery, weaving, and the domestication of animals. These innovations allowed early humans to transition from a nomadic lifestyle to settled communities and led to the development of complex societies.
There were numerous great inventions in the early 1900's. A few of the inventions were the airplane, adhesive tape, and the ball point pen.
The invention of the steam train is one of the inventions that brought major changes in the lives of people in the late 1800's and early 1900's.
Plow and irrigation system
What are some Mohawk inventions
inventions