13
Encyclopedia
Year 13 was a common year starting on Sunday
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...

. At the time, it was known as the Year of the Consulship of Silius
Silius
Silius is a town and comune in the province of Cagliari, Sardinia, Italy. As of 2001, it has a population of 1,384....

 and Plancus (or, less frequently, year 766 Ab urbe condita
Ab urbe condita
Ab urbe condita is Latin for "from the founding of the City ", traditionally set in 753 BC. AUC is a year-numbering system used by some ancient Roman historians to identify particular Roman years...

). The denomination 13 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.

Roman Empire

  • Abgarus of Edessa is reinstalled as king of Osroene
    Osroene
    Osroene, also spelled Osrohene and Osrhoene and sometimes known by the name of its capital city, Edessa , was a historic Syriac kingdom located in Mesopotamia, which enjoyed semi-autonomy to complete independence from the years of 132 BC to AD 244.It was a Syriac-speaking kingdom.Osroene, or...

    .
  • The Senate passes a senatus consultum restricting the reduced Vigintisexviri
    Vigintisexviri
    The Vigintisexviri was a college of minor magistrates in the Roman Republic; the name literally means "Twenty-Six Men"...

     to the Ordo Equester.
  • Tiberius
    Tiberius
    Tiberius , was Roman Emperor from 14 AD to 37 AD. Tiberius was by birth a Claudian, son of Tiberius Claudius Nero and Livia Drusilla. His mother divorced Nero and married Augustus in 39 BC, making him a step-son of Octavian...

     makes his triumphant procession through Rome
    Rome
    Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

     after the siege of Germany
    Germany
    Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

    .

Arts and sciences

  • Strabo
    Strabo
    Strabo, also written Strabon was a Greek historian, geographer and philosopher.-Life:Strabo was born to an affluent family from Amaseia in Pontus , a city which he said was situated the approximate equivalent of 75 km from the Black Sea...

     publishes his book on the shape of the Earth
    Earth
    Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

    .

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