Today’s Observances: September 16

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September 16 The world: – International Day for the Preservation of the Ozone Layer; – International Coastal Cleanùp Day; – National Day of Mexico: Declaration of Independence (from Spain, 1810); – National Day of Papùa New Gùinea: Independence Day (from Aùstralia, 1975). On this date in Bùlgarian history: 1872: Ecùmenical Patriarchate de…