Days And Years
16th October is celebrated as

World food Day
World Heart Day
World Mathematics Day
International Day of Peace

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

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

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