In 1917, Our Lady appeared to three children near Fatima, Portugal and specifically asked them for Russia to be consecrated to her Immaculate Heart.
This consecration of Russia happened on four separate times, and will happen again on March 25, 2022 with Pope Francis.
1October 31, 1942
In the midst of World War II, Pope Pius XII consecrated the world to the Immaculate Heart of Mary through a radio message on the eve of All Saints Day.
This message was sent to Portugal and included the local bishops.
2July 7, 1952
On the feast of Sts. Cyril and Methodius, "Apostles to the Slavs," Pope Pius XII issued an apostolic letter directed to the Russian people, entrusting Russia and her people to the Immaculate Heart of Mary.
3November 21, 1964
At the conclusion of the third Session of the Second Vatican Council, Pope Paul VI, along with all the bishops present, renewed the consecration of the whole world to the Immaculate Heart of Mary, sending a Golden Rose to Fatima to commemorate the occasion.
4March 25, 1984
In St. Peter's Basilica in 1984, Pope John Paul II consecrated the whole world in front of the statue of Our Lady of Fatima, inviting all other bishops to join him in prayer, to the Immaculate Heart of Mary.
According to the Vatican, Sr. Lucia confirmed that this consecration fulfilled the wishes of Our Lady of Fatima.