Throw Out Your Leftovers Day in USA
Throw Out Your Leftovers Day in USA is held on November 29. This event in the third decade of the month November is annual. 
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The thing is, bacteria can grow in any food that needs refrigerating when left at room temperature for longer than two hours. So the idea is after a couple of days of heating and cooling and heating and cooling your left over, it's best to throw them out on this day.
Similar holidays and events, festivals and interesting facts
National French Toast Day in USA on November 28
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National Lemon Creme Pie Day and Rice Cake Day in USA on November 29
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