-
250,000 BCE
WOODEN SPEAR
-
Period: 250,000 BCE to 10,000 BCE
Paleolithic
-
200,000 BCE
Dicovery of fire
-
Period: 12,000 BCE to 5000 BCE
*NEOLITHIC*
-
4001 BCE
*THE WHEEL*
-
4000 BCE
*CUNEIFORM WRITING*
-
3500 BCE
*COPPER AGE*
-
Period: 3500 BCE to 700 BCE
*AGE OF METALS*
-
1500 BCE
*BRONZE AGE*
-
700 BCE
*IRON AGE*
-
Period: 700 BCE to 476 BCE
OLD AGE
-
240 BCE
THE LIFTING SCREW
-
230 BCE
*THE PULLEY*
-
Period: 476 to 1453
*MIDDLE AGES*
-
510
*WIND AND WATER MILLS*
-
570
*THE GUNPOWDER*
-
700
*PAPER*
-
1450
*PRINTING PRESS*
-
Period: 1453 to
*MODERN AGE*
-
*THE THERMOMETER*
-
*THE STEAM ENGINE*
-
Period: to
*CONTEMPORARY AGE*
-
*ELECTRIC BATTERY*
-
*AUTOMOBILE*
-
*RADIO*
-
LIGHT BULB
-
TELEPHONE
-
*COMPUTER*
-
Period: to
REAL WORLD
-
THE TOUCHSCREEN
-
*INTERNET*
-
BLUETOOTH
-
4G NETWORK