On April 13, 2021, the grand opening of the D.S.Likhachev Memorial Plaque took place in the lobby of the Museum of Karl May School History in the building of the SPC RAS. Dmitry Sergeyevich Likhachev – the Soviet and Russian philologist, culturologist, art historian, Doctor of Philology, Professor, the Karl May School alumnus, the first awardee of the "Honorary Citizen of St.Petersburg" title.
The event was held jointly with the Ludwig Nobel Foundation and the Poghosyan, Hrachya Misakovich Charitable Foundation, engaged in the implementation of projects for the creation and installation of commemorative objects, as well as in actively support of public initiatives aimed at patriotic education of children and youth. The event was attended by the director of the SPC RAS A.L.Ronzhin, and the director of the Museum of Karl May School History N.V.Blagovo.