>>6933465>It was even used in the American pledge of allegiance before WW2.It's called the Bellamy Salute when used for the pledge.
>>6934305>it wasn't the Romans, but it definitely wasn't the Nazis. The French used the salute, as you can see in the Oath of the Horatii aboveDifferent salutes. The Roman salute was an extended arm slightly bent at the elbow, signifying the offering of one's heart. The French salute is an extended arm, much like the Bellamy Salute, and came into being at the Serment du Jeu de Paume (pic related), where revolutionaries swore allegiance to the République.