Timeline of Inventions

Dhruv and Ricky

Fire

100000000 BC

Wheel

3500 BC

Abacus

2700 BC

Safety Pin

1400 BC

Gunpowder

1040

Microscope

1590

Car (automobile)

1672

Steam Engine

1712

Parachute

1783

Radio

1895

Modern Olympics

1896

Television

1925

Internet

1969