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International Orthopaedics Congress 1997
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International Pacific Fair
International Ozone Day (synonym of International Day for the Preservation of the Ozone Layer)
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Name: International Ozone Day
Type:
observance
Synonym of:
International Day for the Preservation of the Ozone Layer
Not in any designs.
Prev observance:
International Olive Year
Next observance:
International Palestinian Solidarity Day
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