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World Metrology Day
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World Metrology Day
Annual celebration of SI units
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International Talk Like a Pirate Day
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Independence Day (Nigeria)
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National Coming Out Day
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International Men's Day
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Pi Day
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Earth Overshoot Day
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International Literacy Day
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World Teachers' Day
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International Campaign to Save the Monuments of Nubia
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International Mother Language Day
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Man and the Biosphere Programme
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World Book Capital
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Engineer's Day
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Father's Day
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Celebrate Bisexuality Day
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Children's Day
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International Coffee Day
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Earth Day
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