-
Period: 250,000 BCE to 10,000 BCE
Paleolithic
-
10,000 BCE
rock art
-
Period: 10,000 BCE to 4000 BCE
Neolithic
-
3500 BCE
wheel
-
Period: 700 BCE to 476
Old Age
-
500 BCE
fire
-
Period: 476 BCE to 1453 BCE
Middle Ages
-
700
paper
-
1450
Printing press
-
Period: 1453 to
Modern age
-
Stream machine
-
Period: to
contemporany age
-
electric battery
-
light bulb
-
automobile
-
radio
-
computer
-
Period: to
current hystory
-
internet
-
Period: to 750 BCE
Metals Age