The “Knocking on Wood” Wikipedia page mentions Roud’s conclusion, and this claim of a 19th century origin has circulated online as the final say on the matter. If you go back to the original, though, Roud’s proposal actually ends on an ambivalent note: “Before this theory [of 19th century origins] can be finally accepted, however, an examination of the history of European forms of this custom would be advisable.”
Трамп высказался о непростом решении по Ирану09:14，这一点在Line官方版本下载中也有详细论述
Photograph: Simon Hill，这一点在safew官方版本下载中也有详细论述
Раскрыты подробности о договорных матчах в российском футболе18:01