Alexander Schmemann has written:

'Great Lent'

'For the life of the world' -- subject(s): Orthodox Eastern Church

'World as Sacrament'

'Introduction to liturgical theology' -- subject(s): Doctrines, Liturgics, Liturgy, Orthodox Eastern Church

Eastern Orthodox is a branch of Christianity.

They are called Eastern Orthodox Christians or just Orthodox Christians.

No, the Greek Orthodox church is a part of the Eastern Orthodox Churches.

• European traditional - Distaff day: women's traditional work begins again after Epiphany.
• Italy - Tricolour day (Festa del Tricolore)
• Japan - Nanakusa (Seven Herbs Festival).
• Roman Catholic Church
  • St. Canute Lavard
  • St. Charles of Sezze
  • St. Lucian of Antioch
  • St. Raymond of Peñafort
  • Bl. Widukind, Duke of Saxony, (d. 807)
• Coptic Orthodox Church - Synaxis of John the Forerunner & Baptist
• Eastern Orthodox Church - St. John the Baptist
• Christmas Day in the Eastern Orthodox Churches and Oriental Orthodox Churches using the Julian Calendar
• January 7 (Eastern Orthodox liturgics)