WASHINGTON (Michigan News Source) – Don’t check the mail today. The U.S. Postal Service (USPS) announced that all post office locations will be closed for Juneteenth on Wednesday, June 19.

USPS said that aside from holiday premium Priority Mail Express, there will be no mail delivered in observance of the holiday.

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The postal service also said all retail locations will be open for normal business hours on Thursday, June 20. Mail will resume as well.

Juneteenth marks the end of slavery in the U.S.