- 1900 Martyrdom of Orthodox Christians in Chinese Boxer Rebellion (Yihetuan Movement).
- 1905 Death of Parthenios Koudouma Monastery, July 10; Apostolos Makrakis.
- 1907 Death of Ilia the Righteous, July 20
- 1908 Death of John of Kronstadt.
- 1909 Death of Alexis of Wilkes-Barre, May 7.
- 1912 Death of Nicholas of Japan.
- 1914 Death of Maxim Sandovich, August 6
- 1915 Death of Raphael of Brooklyn.
- 1917-40 Persecution of the Orthodox Church in Russia begins, with 130,000 priests arrested, 95,000 of whom were executed by firing squad.
- 1917 Martyrdom of hieromartyr John Kochurov
- 1918 Tsar Nicholas II of Russia murdered together with his wife Alexandra and children;
- Elizabeth the New Martyr, July 18;
- St. Vladimir; January 25;
- St. Theophanes, December 11;
- Saints of Ivangorod: Dimitry (Chistoserdov) and Alexander (Volkov) December 26;
- Sergy (Florinsky) of Rakvere, December 17;
- Hieromartyr Michael the priest January 3
- Hieromartyrs John Piankov and Nicholas Yakhontov priests January 5
- 1919 Death of Saints of Tartu: Platon (Kulbush) bishop of Tallinn, Michael (Bleive) and Nicholas (Bezhanitsky) January 1
- 1919-1922 Greco-Turkish War; Pontic Greek Genocide eliminates the Christian population of Trebizond.
- 1920 Death of Nektarios of Aegina; Evmenios of Koudouma Monastery, July 10
- 1922 Death of Metr. Bejamin (Kazansky) of Petrograd and Gdovsk, July 31.
- 1923 Death of Agafangel (Preobrazhensky) of Yaroslavl,October 3
- 1924 Death of Arsenios the Cappadocian, November 10
- 1925 Death of Tikhon of Moscow; St. Jonah of Manchuria, Bishop of Hankou (1922-1925);
- 1928 Death of Hieromartyr Innocentius January 6
- 1931 Death of Nicholas (Siimo) priest of Kronstadt, April 5.
- 1932 Death of Papa-Nicholas (Planas) of Athens;
- 1936-37 Many Russian Orthodox Clerics die in Joseph Stalin's Great Purge.
- 1937 Disappearance of Fr. Alexander Hotovitzky, martyred;
- Karp (Elb), September 11.
- Hieromartyr deacon Sergius January 3
- 1938 Death of Silouan the Athonite;
- Hieromartyrs Demetrius and Theodore priests January 4
- New Hieromartyr Nicetas bishop of Belevsk, January 3
- Hieromartyrs Basil priest, Macarius and John January 5
- 1940 Death of Hieromartyr Leontius deacon, January 3
- 1941 Martyrdom of Gorazd (Pavlik) of Prague by Nazis; Platon of Banja Luka, May 5; Petar (Zimonjić) of Dabar-Bosna,
- 1941-45 Croatian Ustasa terrorists kill 500,000 Orthodox Serbs, expel 250,000 and force 250,000 to convert to Catholicism.
- 1942 Death of Joanikije (Lipovac) of Montenegro, July 20
- 1943-44 Hundreds of Orthodox priests of the Ukrainian Orthodox Church eliminated, tortured and drowned by Organization of Ukrainian Nationalists - Ukrainian Rebel Army, aided by Uniate Metr. Josyf Slipyj who was a spiritual leader of Nazi military units that were later condemned by the Nuremberg tribunal, and who was imprisoned by Soviet authorities for aiding the UPA.
- 1945-90 Persecution of the Orthodox Church in Albania.
- 1945 Death of Arseny (Chagovtsov) of Winnipeg, October 4.
- 1947 Death of Alexei Kabalyiuk.
- 1948 Death of Savvas the New of Kalymnos.
- 1949 Death of Seraphim of Viritsa, March 21.
- 1956 Death of Nikolai Velimirovic, March 18.
- 1957 Death of John (Maisuradze) of Georgia, January 21
- 1959 Death of George (Karslidis) of Drama, November 4.
- 1960 Death of Anthimos of Chios February 15; John (Iacob) the Romanian (the Hozevite),August 5; George-John (Mkheidze) of Georgia, January 21
- 1964 Death of Varnava Nastic, November 12.
- 1966 Death of John (Maximovitch) the Wonderworker, Archbishop of Shanghai and San Fransisco, July 2.
- 1970 Death of Archpriest Stefan Wu Zhiquan .[1], the new martyr.
- 1975 Death of Papa-Dimitris (Gagastathis).
- 1979 Death of matushka Olga Michael, November 8; Justin Popovich; Archimandrite Philoumenos, November 16;
- 1980 Death of Elder Philotheos (Zervakos) of Paros.
- 1982 Death of Seraphim Rose
- 1983 Death of Elder Arsenios the cave-dweller of Mt. Athos.
- 1991 Death of Elder Porphyrios (Bairaktaris) the Kapsokalivite; (Evangelos (Bairaktaris)), February 7.
- 1992 Deaths of Gabrielia (Papayannis) and Chrysanthi of Andros.
- 1993 Canonization of Chrysostomos (Kalafatis) of Smyrna.
- 1994 Death of Elder Paisios (Eznepidis) of Mt. Athos, July 12.
- 1995 Death of Eldress Macrina of Volos; Gerasimos (Papadopoulos) of Abydos, June 12.
- 1998 Death of Elder Ephraim of Katounakia.
- 2000 Death of Fr. Grigory Zhu, September.