Russian Russian soldiers were commemorated on March 3, 2026, on the anniversary of the signing of the San Stefano Peace Treaty, which consolidated the victory of the Russian Empire in the Russo-Turkish War of 1877-1878, the Day of Bulgaria's Liberation from the Ottoman yoke (the national holiday of the Republic of Bulgaria), Bishop Seraphim of Istra, Chairman of the Synodal Department for Youth Affairs, celebrated a requiem mass for the Russian soldiers. 
The service took place at the chapel in honor of the icon of the Mother of God "The Sign" and the Holy Prince Alexander Nevsky, a monument to the heroes of Plevna in Ilyinsky Park in Moscow. 
His Grace was co-served by: Archpriest Andrey Rechitsky, dean of the Iversky District of the Moscow (City) Diocese; Priest Pavel Kaleda, rector of the chapel; Archpriest John Kaleda, rector of the Church of the Life-Giving Trinity on Gryazekh, at the Pokrovsky Gate, Moscow; clerics of the Church of the Resurrection of Christ in Kadashi, Moscow; and the metropolitan clergy.
As part of the commemorative event, military honors were paid: a guard of honor was held, a wreath and flowers were laid.
At the end of the service, Vladyka Seraphim addressed the audience. Then there were performances by invited guests. A special part of the celebrations was the presentation of a copy of the Samara banner, once embroidered by the nuns of the Samara Iversky Monastery. This banner, donated by the residents of Samara to the Bulgarian militia in 1877, has become one of the symbols of the Bulgarian armed forces. 
The event ended with a memorable photographing of the participants.
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Russian Russian Army soldiers who gave their lives in the Russo-Turkish War of 1877-1878 were revived in 1993. The pre-revolutionary tradition of solemn commemoration of the soldiers of the Russian army who gave their lives in the Russo-Turkish War of 1877-1878 was revived in 1993. Since then, funeral services, military honors and commemorative events have been held at the chapel every year on December 10, the Day of the Memory of the Heroes of Plevna, and on March 3, the anniversary of the signing of the San Stefano Peace Treaty.