Aug 1 – 1774 Oxygen was found
Joseph
Priestly, English Chemist idendified a gas ‘Oxygen’.
First he called it ‘dephlogisticated air’.
France became the first country to
use the metric system of weights and measures.
The first heart transplant in India was performed at AIIMS, New Delhi by cardiologist P.Venugopal on Devi Ram, a mechanic.
Aug 5 – 1914 First Traffic Lights
The world’s first traffic lights
were installed in USA.
Aug 6 – 1945 Atom
bomb on Japan
The atom bomb was used in war for the first time. US Airforce dropped Little Boy on Hiroshima.
The electric – powered washing
machine was patented by Alva. J.Fisher of USA.
Aug 9 – 1945 Fat man on Japan
The first plutomium fission bomb ‘ Fat man’ was dropped by US Air Force on Nagasaki.
The world’s first truly synthetic medicine ‘Aspirin’ was produced by Felix Hoffmann of Germany.
Vikram Sarabhai, Indian space scientist was born in Gujarat.
The discovery of Argon Gas was announced in London.
Aug 15 – 1969 ISRO
Indian space Research Organisation (ISRO) was formed.
Aug 18 – 1951 IIT – Kharagpur
IIT, Kharagpur was inaugurated in West Bengal.
Aug 23 -1966 First
Photograph of Earth
American space craft Lunar Orbiter–1 sent back the first photograph of the Earth from the Moon.
Aug 29 – 1831 Electromagnetic
Induction
Electromagnetic induction was discovered by Michael Far a day.
The world’s first videocassetle
recorder was lannched in England.












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