‘It was a Roman salute,’ but what is a Roman salute, exactly? In an effort to defend, or deny the nature of, Musk’s gesture, many have said that the gesture was a “Roman salute,” not a Nazi Salute.

https://www.usatoday.com/story/news/2025/01/21/did-elon-musk-do-a-sieg-heil-salute-at-president-trumps-inauguration-roman-fascist-nazi-salute/77845914007/