Important Events of April – 19
Charles Robert Darwin Memorial Day
Birth:
- He was born on February 12, 1809.
Honours:
- He is English naturalist scientist.
- He is the father of evolution.
- The man described the evolution of the monkey.
- Darwin made clear that the main cause of soil fertility and crop growth is earthworms living in soil.
Books by Darwin:
- He wrote a book called ‘Beige Seaside’.
- The facts and principles he discovered were published in the book The Origin of Species in 1859.
- He published his book The Voyage of the Beagle in London.
- Other books on Darwin’s discovery are ‘man’s genealogy’ and ‘displacement of plants’.
Death:
- Charles Darwin died on April 19, 1882.
Pierre Curie Memorial Day
Birth:
- He was Born on 15 May 1859.
Honours:
- French physicist.
- One of the pioneers of pressure power, magnetism, crystalline and radiation detection.
- The unit curium used to measure radiation.
Awards:
- In 1903, Henry Beckler and Mary Curry shared the Nobel Prize for Physics.
- In 1903, she was awarded the Jumpy Award for Radium.
Findings&Creations:
- He created a ‘Torsion Balance’ to find magnetic properties.
- The term ‘Curriculum’ is today the norm that he has discovered about the transition from heat to particle magnetic material.
- He created the crystal electrodes.
- Aluminum rays, beet rays, and coma rays were discovered by using the magnetic fields.
Death:
- He died on 19 April 1906.
First satellite: Aryabhata
- On April 19, 1975, the Indian Space Research Organization (ISRO), launched its first satellite, Aryabhata from Russia.
- It is celebrated annually in the year 19th annually. Aryabhata has been launched for 40 years.
- The Aryabhata satellite was made with the assistance of the Soviet Union.
- The weight is 360kg. It was only 5 days in outer space, although it was about 619 km from Earth.
- The satellite was not continuously stopped due to the fact that it was partially designed to produce electricity to the satellite.
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