Another difference is that the astronomical vernal equinox is a natural astronomical phenomenon, which can fall on 19, 20 March, or 21, while the ecclesiastical date is fixed by convention on 21 March.

In applying the ecclesiastical rules, Christian churches use 21 March as the starting point in determining the date of Easter, from which they find the next full moon, etc.

Since the ecclesiastical new moon falls on a date from 8 March to 5 April inclusive, the paschal full moon ( the 14th of that lunar month ) must fall on a date from 21 March to 18 April inclusive.

* Second Sunday after Pentecost :, as one of the saints commemorated on the Synaxis of the Saints of North America — this is a moveable feast of the ecclesiastical year, and the date of its observance will change from year to year.

Though their development was gradual, we can date the full-blown appearance and general ecclesiastical ( as opposed to simply popular or local ) acceptance of Christian images as venerated and miracle-working objects to the 6th century, when, as Hans Belting writes, " we first hear of the church's use of religious images.

The machinery of administration was out of date and complicated by the authority of feudal and ecclesiastical courts.

The majority of Orthodox Christians ( Russians, in particular ) follow the Julian Calendar in calculating their ecclesiastical feasts, but many ( including the Ecumenical Patriarchate and the Church of Greece ), while preserving the Julian calculation for feasts on the Paschal Cycle, have adopted the Revised Julian Calendar ( at present coinciding with the Gregorian Calendar ) to calculate those feasts which are fixed according to the calendar date.

The date of Pascha is central to the entire ecclesiastical year, determining not only the date for the beginning of Great Lent and Pentecost, but affecting the cycle of moveable feasts, of scriptural readings and the Octoechos ( texts chanted according to the eight ecclesiastical modes ) throughout the year.

The Ionan tables not only often resulted in a different date for the celebration of Easter, but they also allowed Easter to be celebrated on Nisan 14 if that were a Sunday, whereas Roman custom would have Easter moved to a different week in such a year ( see ecclesiastical computus ).

Notwithstanding, because of the relative obscurity of this western saint in the East, members of the Greek Orthodox Church named Valentinos ( male ) or Valentina ( female ) may celebrate their name day on the Western ecclesiastical calendar date of February 14.

Before this date a variety of groups based around ecclesiastical parishes had responsibility for these matters, in a system of local government that originated in the feudal system of the 8th century.

Until then the chest, the bench and the stool were the ordinary seats of everyday life, and the number of chairs which have survived from an earlier date is exceedingly limited ; most examples are of ecclesiastical or seigneurial origin.

Dominical letters were a device adopted from the Romans by chronologers to aid them in finding the day of the week corresponding to any given date, and indirectly to facilitate the adjustment of the " Proprium de Tempore " to the " Proprium Sanctorum " when constructing the ecclesiastical calendar for any year.

From this date until the Battle of Flodden, in September 1513, he appears to have been occupied with his ecclesiastical duties and literary work.

* On 13 February 1790 ( some sources give the date as 11 February for example, ), monastic vows were forbidden and all ecclesiastical orders and congregations were dissolved, excepting those devoted to teaching children and nursing the sick.

Since the encyclopedia was first published starting in 1907 and has never been updated, many of its entries may be out of date either with respect to the wider culture or to the Catholic ecclesiastical world.

It occurs on the first Sunday after the first full moon on or after 21 March, a date taken, in accordance with an ancient ecclesiastical tradition, to be that of the spring equinox, but which does not always correspond to the astronomical equinox.

Divided into five books ( about 400 pages ), the Historia covers the history of England, ecclesiastical and political, from the time of Julius Caesar to the date of its completion ( 731 ).

Prior to that date, several of the rectors of Wheathampstead-cum-Harpenden after 1238 went on to have unusually successful ecclesiastical careers.

Its church, the oldest parts of which date from the 13th Century, is dedicated to St Peter and St Paul: the ecclesiastical parish only became separate from Kemsing in 1874, although there may well have been a Saxon church on the site of the present building.

But a historian might put his finger on a specific man and date, and hold out the hope that the troubles will sometime pass away.

One modern historian feels that it was Ealdred who was behind the compilation of the D version of the Anglo-Saxon Chronicle, and gives a date in the 1050s as its composition.

Although there is no definite proof of the date of his birth, it has been suggested by Ukrainian historian Mykhaylo Maksymovych that it is likely 27 December 1595 ( St. Theodore's day ).

( Incidentally, the date of Easter itself is fixed by an approximation of lunar cycles used in the Hebraic calendar, but according to the historian Bede the English name " Easter " comes from a pagan celebration by the Germanic tribes of the vernal ( spring ) equinox.

In the 1990s the historian Edvardas Gudavičius published research supporting an exact coronation date – 6 July 1253.

His birth date has traditionally been recorded as January 19, 1807, but according to the historian Elizabeth Brown Pryor, " Lee's writings indicate he may have been born the previous year.

The term was used in a letter of 1 November 1647, and the 19th century historian S. R. Gardiner suggested that it existed as a nickname before this date.

There came two eaorlmen to Britain, Cerdic and Cynric his son, with five ships, to a place called Cerdicesora, on the same day they fought the Welsh ", but the historian F. M. Stenton gave evidence of doubled entries in the Chronicle, which suggests an early 6th century date for the arrival of the ancestor of the Wessex ruling kinship.

** Indianapolis 500: In what Indianapolis Motor Speedway historian Donald Davidson and Speedway public address announcer Tom Carnegie later call the greatest moment in the track's history, 1973 winner Gordon Johncock wins his second race over 1979 winner Rick Mears by 0. 16 seconds, the closest finish to that date, after Mears draws alongside Johncock with a lap remaining, after erasing a seemingly insurmountable advantage of more than 11 seconds in the final 10 laps.

* Paulus Orosius, historian and theologian ( approximate date )

* Ammianus Marcellinus, Roman historian ( approximate date )

* Plutarch, Greek historian ( approximate date )

* Socrates Scholasticus, church historian ( approximate date )

* Sozomen, church historian ( approximate date )

* Gildas, British historian and priest ( approximate date )

* Procopius, Byzantine historian ( approximate date )

* Xie He, Chinese writer and art historian ( approximate date )

* Agathias, Greek poet and historian ( approximate date )

* Evagrius Scholasticus, Syrian church historian ( approximate date )

* Xie He, Chinese writer and art historian ( approximate date )

* Procopius, Byzantine historian ( approximate date ).

* Nestor the Chronicler, Slavic historian ( approximate date ) ( b. c. 1056 )

* Archbishop William of Tyre, historian of the Crusades ( approximate date ; d. 1186 )

* The Venerable Bede, Anglo-Saxon theologian, historian, and chronologist ( approximate date of birth ) ( died 735 )

Eric Ives, a British historian and legal expert, advocates the 1501 date, while Retha Warnicke, an American scholar who has also written a biography of Anne, prefers 1507.