Why are flags at half-staff today? Trump remains silent on former VP Dick Cheney's death [View all]

I saw that flags were at half staff at my local post office today. Had to look up the reason.

Why are flags at half-staff today? Trump remains silent on former VP Dick Cheney's death

Despite being a conservative Republican, Cheney had become a vocal critic of Trump in recent years. He and his daughter, former Republican Rep. Liz Cheney, had declared their opposition to Trump after his denial of the 2020 election results and his involvement in the Jan. 6, 2021 attack on the U.S. Capitol. Liz Cheney said Trump had "summoned a violent mob" and "caused a constitutional crisis."

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President Dwight Eisenhower also issued a proclamation on the proper times for flying the flag at half-staff when government officials die. That includes:

30 days at all federal buildings, grounds, and naval vessels throughout the United States and its territories and possessions after the death of the president or a former president.
10 days at half-staff after the death of the vice president, the chief justice or a retired chief justice of the United States Supreme Court, or the speaker of the House of Representatives.
From the date of death until interment for an associate justice of the Supreme Court, a member of the Cabinet, a former vice president, the president pro tempore of the Senate, the majority leader of the Senate, the minority leader of the Senate, the majority leader of the House of Representatives, or the minority leader of the House of Representatives.
The date of death and the following day of a United States senator, representative, territorial delegate, or the resident commissioner from the Commonwealth of Puerto Rico. It should also be flown at half-staff on all federal facilities in the state, congressional district, territory, or commonwealth of these officials.
From the date of death until interment for the governor of a state, territory or possession.

https://www.statesman.com/news/article/why-flags-half-mast-staff-today-dick-cheney-trump-21140306.php