On November 15, 2021, the grand opening of the exhibition was held at the Library for Foreign Literature n.a. Rudomino. “Russian House of the Oldenburgsky family – enlightened benefactors”, was timed to the 140th anniversary of the death of an outstanding Russian statesman – Prince Peter of Oldenburg (1812-1881), a representative of the Russian Imperial House, the grandson of Paul I, the founder of the Russian branch of the Oldenburgsky  who distinguished himself, first of all, in the charity field and enlightenment.

According to the curator of the exhibition, Igor Lapshin, the essence of the exhibition was to show the scope of the charitable and educational activities of Pyotr Georgievich Oldenburgsky and his descendants. Duke Konstantin Oldenburgsky cordially thanked all the organizers of the exhibition, which took place despite the limitations of the pandemic and noted the importance of strengthening bilateral relations between Russia and Germany.

The exposition presents photographs and documents from the funds of the State Archives of the Russian Federation, the Central Archives of Moscow, the Society of Friends of the House of Oldenburgskys (St. Petersburg), the Oldenburgsky Palace Complex in Ramon, as well as publications from the collection of the Rare Book of the LFL and other exhibits.

Among guests were by the Chairman of the IOPS, Sergey Stepashin, Deputy Chairman of the State Duma of the Federal Assembly of the Russian Federation, Alexey Gordeev, the head of the Evangelical Lutheran Church in Russia, Archbishop Dietrich Brauer, Representetative of the Sovereign Order of Malta to the Russian Federation, H.E. Aimone di Savoia Aosta, and others.