545
Encyclopedia
Year 545 was a common year starting on Sunday
(link will display the full calendar) of the Julian calendar
. The denomination 545 for this year has been used since the early medieval period, when the Anno Domini
calendar era
became the prevalent method in Europe for naming years.
Common year starting on Sunday
This is the calendar for any common year starting on Sunday, January 1 or for any year in which “Doomsday” is Tuesday. Examples: Gregorian years 1989, 1995, 2006, 2017 and 2023or Julian year 1917...
(link will display the full calendar) of the Julian calendar
Julian calendar
The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...
. The denomination 545 for this year has been used since the early medieval period, when the Anno Domini
Anno Domini
and Before Christ are designations used to label or number years used with the Julian and Gregorian calendars....
calendar era
Calendar era
A calendar era is the year numbering system used by a calendar. For example, the Gregorian calendar numbers its years in the Western Christian era . The instant, date, or year from which time is marked is called the epoch of the era...
became the prevalent method in Europe for naming years.
Ireland
- The monastery of ClonmacnoiseClonmacnoiseThe monastery of Clonmacnoise is situated in County Offaly, Ireland on the River Shannon south of Athlone....
is built on the River ShannonRiver ShannonThe River Shannon is the longest river in Ireland at . It divides the west of Ireland from the east and south . County Clare, being west of the Shannon but part of the province of Munster, is the major exception...
.