Saints

• Hieromartyr Urban
  Pope Urban I
  Pope Saint Urban I was Pope from 14 October 222 to 230. He was born in Rome, Roman Empire and succeeded St. Callixtus I who had been martyred. For centuries it was believed that Urban too was martyred...
  
  , Pope of Rome (230)
• Martyr Celestine, in Rome.
• Martyrs Pasicrates, Valentinian, Julius and others at Dorostolum (302)
• Hieromartyr Therapont of Cyprus, bishop (300-305)
• Saint Dionysios
  Dionysius (bishop of Milan)
  Dionysius was Archbishop of Milan from 349 to 355. He is honoured as a Saint in the Catholic and Eastern Orthodox Churches and his feast day is on May 25.-Life:...
  
   (Dionysius Mariani, Denis), Bishop of Milan (359)
• Hieromartyrs Maximus and Victorinus (384)
• Saint Zenobius, first Bishop of Florence (390)
• Saint Leo of Troyes, monk who succeeded St Romanus as Abbot of Mantenay near Troyes, France (c.550)
• Saints Injuriosus and Scholastica, a married couple in the Auvergne in France who lived in virginity and holiness (c. 550)
• Saint Dodo, prince of Georgia, monk of Gareji (596)
• Saint Aldhelm, Bishop of Sherborne (709)
• Saint Dúnchad mac Cinn Fáelad (Dunchadh), the eleventh abbot of Iona
  Iona Abbey
  Iona Abbey is located on the Isle of Iona, just off the Isle of Mull on the West Coast of Scotland. It is one of the oldest and most important religious centres in Western Europe. The abbey was a focal point for the spread of Christianity throughout Scotland and marks the foundation of a monastic...
  
   (707–717) in Scotland (717)
• Hieromartyrs Gerbald, Reginhard, Winebald and Worad, of the monastery of St Bertin in France, all martyred by the Danes (862)
• Saint Egilhard, eighth abbot of Cornelimünster
  Kornelimünster Abbey
  Kornelimünster Abbey is a Benedictine monastery in Kornelimünster, since 1972 a part of Aachen , in North Rhine-Westphalia in Germany.- First foundation :...
  
   near Aachen in Germany, martyred by Vikings at Bercheim (881)
• Saint Gennadius of Astorga, Bishop of Astorga, later a hermit (936)
• Saint Olbian (Albianos), monk.
• Saint Skiota of Georgia (c.13th c.)
• Righteous John and Mary of Ustiug (Vologda
  Vologda
  Vologda is a city and the administrative, cultural, and scientific center of Vologda Oblast, Russia, located on the Vologda River. The city is a major transport knot of the Northwest of Russia. Vologda is among the Russian cities possessing an especially valuable historical heritage...
  
  ) (13th c.)
• Saint Dmitry, Price of Uglich, son of Andrey Vasilyevich
  Andrey Bolshoy
  Andrey Vasilyevich Bolshoy, nicknamed Goryai , was the third son of Vasili II of Russia who transformed his capital in Uglich into a major centre of political power and ensured the town's prosperity for two centuries to come.After the death of his father in 1462, Andrey Bolshoy inherited the...
  
   (c.1492)
• Saint Thekla of Pereyaslavl, nun, (mother of St. Daniel, Abbot of Pereyaslavl-Zalesski +1540) (16th c.)
• Saint Innocent archbishop of Cherson and Taurica (1857)
• Virgin-Martyr Helen (1938)
• New Hieromartyr Tavrion (1939)

Other commemorations

• Third Finding of the Precious Head of Saint John the Baptist
  John the Baptist
  John the Baptist was an itinerant preacher and a major religious figure mentioned in the Canonical gospels. He is described in the Gospel of Luke as a relative of Jesus, who led a movement of baptism at the Jordan River...
  
   (c.850)
• Commemoration of the Reunion of three million Uniates with the Orthodox Church at Vilnius
  Vilnius
  Vilnius is the capital of Lithuania, and its largest city, with a population of 560,190 as of 2010. It is the seat of the Vilnius city municipality and of the Vilnius district municipality. It is also the capital of Vilnius County...
  
   in 1831 (1831)
• Repose of recluse
  Recluse
  A recluse is a person who lives in voluntary seclusion from the public and society, often close to nature. The word is from the Latin recludere, which means "shut up" or "sequester." There are many potential reasons for becoming a recluse: a personal philosophy that rejects consumer society; a...
  
   George of Zadonsk (1836)
• Synaxis of the Saints of Volhynia
  Volhynia
  Volhynia, Volynia, or Volyn is a historic region in western Ukraine located between the rivers Prypiat and Southern Bug River, to the north of Galicia and Podolia; the region is named for the former city of Volyn or Velyn, said to have been located on the Southern Bug River, whose name may come...
  
  :
• Yaropolk, Stephen, Macarius, Igor and Juliana.
• Finding of the holy icon of Saint Demetrios the Myrrh-gusher, in Ermoupolis
  Ermoupoli
  Ermoupoli , also known by the formal older name Ermoupolis or Hermoupolis , is a town and former municipality on the island of Syros, in the Cyclades, Greece. Since the 2011 local government reform it is part of the municipality Syros-Ermoupoli, of which it is the seat and a municipal unit...
  
   on the island of Syros
  Syros
  Syros , or Siros or Syra is a Greek island in the Cyclades, in the Aegean Sea. It is located south-east of Athens. The area of the island is . The largest towns are Ermoupoli, Ano Syros, and Vari. Ermoupoli is the capital of the island and the Cyclades...
  
  , in the Cyclades, Greece (1936)
• Icon of the Mother of God "the Helper of the sinners" from Koretsk
  Korets
  Korets is a city in the Rivne Oblast in Ukraine. The city is located on the Korchyk river, 66 kilometers to the east of Rivne. It is administrative center of the Korets Raion. As of 2001, the population of Korets was 8,649....
  
  .

Sources

• May 25/June 7. Orthodox Calendar (PRAVOSLAVIE.RU).
• June 7/May 25. HOLY TRINITY RUSSIAN ORTHODOX CHURCH (A parish of the Patriarchate of Moscow).
• Complete List of Saints. Protection of the Mother of God Church (POMOG).
• May 25. OCA - The Lives of the Saints.
• May 25. Latin Saints of the Orthodox Patriarchate of Rome.
• May 25. The Roman Martyrology.

• Great Synaxaristes: 25 ΜΑΪΟΥ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.