when was the 21-gun salute formally adopted?

The 21‑gun salute, as an international standard, was formally adopted by the United States in 1875.

Quick Scoop

• The U.S. had various gun‑salute practices earlier, often tying the number of guns to the number of states in the Union (for example, 17 in 1810).

• In 1842, a 21‑gun salute was officially designated in the U.S. as the Presidential salute, reserved for the head of state.

• In August 1875, the United States formally aligned with other nations by adopting 21 guns as its standard “international salute,” which is the moment usually meant when asking when the 21‑gun salute was formally adopted.

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