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Continue to ChatIn the event of the death of a current or former President, like the recent death of President Ronald Reagan, the flag should be flown at half-staff for thirty days from the day of the death. - Michael K. Simpson from https://whatsmyquote.com/quote/in-the-event-of-the-death-of-a-current-or-former-president-like-the-recent-death-of-president-ronald-reagan