Maundy Thursday name of the Christian rite of footwashing, which traditionally occurs during Maundy Thursday church services. Most scholars agree that the English word "maundy" in that name for the day is derived through Middle English and Old French "mandé", from the Latin "mandatum" (also the origin of the English word "mandate"), the first word of the phrase ""Mandatum novum do vobis ut diligatis invicem sicut dilexi vos"" ("A new commandment I give unto you: That you love one another, as I have loved you, that you also love one another.") This statement by Jesus in the Gospel of by which Jesus
Adoption of the Gregorian calendar 12 days, only 11 were skipped, and the day of the week was repeated on successive days, because at the same time the International Date Line was moved, from following Alaska's eastern border with Canada to following its new western border, now with Russia. Many of the countries of eastern Europe were Eastern Orthodox or Islamic and adopted the Gregorian calendar much later than western Christian countries. Roman Catholic countries such as the Polish–Lithuanian Commonwealth adopted the "new style" (N.S.) Gregorian calendar in 1582 (switched back in 1795 after Third Partition of Poland), but the switch to the Gregorian calendar