World Meteorological Day is being celebrated every year on 23 March to commemorate the coming into force of the Convention for the establishment of the World Meteorological Organization (WMO) in 23 March 1950.
World TB Day is being celebrated every year on 24 March annually to commemorate the date when Dr. Robert Koch announced his discovery of Mycobacterium tuberculosis, the bacillus that causes TB in 1882.
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