Days And Years
9th December is celebrated as

World Soil Day
International Volunteers Day
International Anti-corruption Day
United Nations Day

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Days And Years
India Celebrates February 28 every year as 'National Science Day' because on this day

Nehru laid the foundation of Science labs all over India
in 1928 C.V. Raman discovered what was later called the 'Raman Effect'
first Indian Space craft was launched
Vikram Sarabhai was born

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