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.”
ВСУ запустили «Фламинго» вглубь России. В Москве заявили, что это британские ракеты с украинскими шильдиками16:45
。夫子对此有专业解读
And by "this," I'm also referring to Harry wearing fake elf ears, a crown and an embroidered cape.
开局之年“第一课”，习近平总书记阐明新征程上树立和践行正确政绩观的深远考量：“‘十五五’开局之年，无论是制定规划还是部署实施，都需要有正确的政绩观。省市县乡领导班子将陆续换届，强调政绩观也很有针对性。”