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Historical Event on 11/21/1970
Sir Chandrasekhar Venkata Raman, great Indian physicist, passed away early morning at Bangalore, Karnataka. His work was influential in the growth of science in India. He was the recipient of the 1930 Nobel Prize for Physics for the 1928 discovery now called Raman scattering which is a change in frequency observed when light is scattered in a transparent material. When monochromatic or laser light is passed through a transparent gas, liquid, or solid and is observed with the spectroscope, the normal spectral line is associated with it lines of longer and of shorter wavelength and this is called the Raman spectrum. Thus the Raman effect is applied in spectrographic chemical analysis and in the determination of molecular structure.
| Other Historical Dates and Events |
| 4/21/1990 | The first indigenously built missile cruiser boat, 'Vibhuti', was inaugurated and launched. |
| 11/3/1996 | Deve Gowda, PM, to attend G-15 summit in Harare. This was his first foreign trip as PM. |
| 10/26/1930 | Dr. Waldemar Modecal Haffkine, famous scientist, bacteriologist and professor, died in Paris. He had invented the Cholera vaccine in 1893 and a vaccine for Plague in 1897 at the Grant Medical College, Bombay. |
| 3/15/1950 | Planning Commission Day. |
| 2/11/1996 | Wills World Cup Cricket inaugurated at Calcutta. |
| 11/29/1916 | Vasant Shridhar Vaidya, great industrialist, was born at Phaltan. |
| 6/14/1886 | Orphanage for little girls was established. |
| 8/29/1994 | Tusharkanti Ghosh, world famous Indian journalist, passed away. |
| 4/2/1870 | Poona Sarvajanik Sabha was found. 95 members from different parts of Maharashtra assembled in Pune during its founding. |
| 2/7/1993 | Medium-range surface to surface missile, 'Prithvi' successfully launched for the 10th time. |
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