January 1st (671) was a Sunday. It's the 0th day of the year (1st in leap years) in the Gregorian calendar. There are 365 days left to the end of the year.
January 1st Holidays in History
» Christian Calendar of saints called Feast Day:
» Basil of Caesarea called Basil the Great (Eastern Orthodox Church)
» Circumcision of Jesus known as Feast of the Circumcision of Christ
» Feast of the Holy Name of Jesus (Lutheranism named Lutheran Church)
» Fulgentius of Ruspe
» Solemnity of Mary, Mother of God, the Octave (liturgical) e.g Octave Day of Christmas, considered a holy day of obligation in some countries (Catholic Church)
» Saint Telemachus named Telemachus
» World Day of Peace (Catholic Church)
» January 1 (Eastern Orthodox liturgics)
» Constitution Day (Italy)
» Dissolution of Czechoslovakia related observances:
» Public holidays in Slovakia named Day of the Establishment of the Slovak Republic (Slovakia)
» Public holidays in the Czech Republic or Restoration Day of the Independent Czech State (Czech Republic)
» Earliest day on which Handsel Monday can fall, while January 7 is the latest; celebrated on the first Monday of the year (Scotland)
» Public holidays in Taiwan known as Founding Day (Taiwan)
» Global Family Day (International observance or International)
» List of national independence days e.g Independence Day, celebrates the independence of Brunei from United Kingdom in 1984
» Independence Day, celebrates the independence of Haiti from France in 1804
» Independence Day, celebrates the independence of Sudan from United Kingdom in 1956
» Arbor Day e.g National Tree Planting Day (Tanzania)
» Public Domain Day
» The eighth Twelve Days of Christmas or day of Christmas (Western Christianity)
» The last day of Kwanzaa (United States)
» The presidents of Brazil and Switzerland take possession.