AD 20 ( XX) was a

leap year starting on Monday A leap year starting on Monday is any year with 366 days (i.e. it includes February 29, 29 February) that begins on Monday, 1 January, and ends on Leap year starting on Tuesday, Tuesday, 31 December. Its dominical letters hence are GF. The most rec ...

of the

Julian calendar The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts ...

. At the time, it was known as the Year of the

Consulship The consuls were the highest elected public officials of the Roman Republic ( to 27 BC). Romans considered the consulship the second-highest level of the ''cursus honorum''an ascending sequence of public offices to which politicians aspire ...

of Marcus Valerius Messalla Barbatus and Cotta (or, less frequently, year 773 ''

Ab urbe condita ''Ab urbe condita'' (; 'from the founding of Rome, founding of the City'), or (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, 753 BC, the traditional founding of Rome. It is ...

''). The denomination 20 for this year has been used since the early

medieval period In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of World history (field), global history. It began with the fall of the West ...

, when the

Anno Domini The terms (AD) and before Christ (BC) are used when designating years in the Gregorian calendar, Gregorian and Julian calendar, Julian calendars. The term is Medieval Latin and means "in the year of the Lord" but is often presented using "o ...

calendar era A calendar era is the period of time elapsed since one '' epoch'' of a calendar and, if it exists, before the next one. For example, the current year is numbered in the Gregorian calendar, which numbers its years in the Western Christian era ...

became the prevalent method in Europe for naming years.

Events

By place

Roman Empire

* Galba, the future emperor, is a Roman

praetor ''Praetor'' ( , ), also ''pretor'', was the title granted by the government of ancient Rome to a man acting in one of two official capacities: (i) the commander of an army, and (ii) as an elected ''magistratus'' (magistrate), assigned to disch ...

. * Emperor

Tiberius Tiberius Julius Caesar Augustus ( ; 16 November 42 BC – 16 March AD 37) was Roman emperor from AD 14 until 37. He succeeded his stepfather Augustus, the first Roman emperor. Tiberius was born in Rome in 42 BC to Roman politician Tiberius Cl ...

is forced to order an investigation and a public trial in the

Roman Senate The Roman Senate () was the highest and constituting assembly of ancient Rome and its aristocracy. With different powers throughout its existence it lasted from the first days of the city of Rome (traditionally founded in 753 BC) as the Sena ...

, for the murder of

Germanicus Germanicus Julius Caesar (24 May 15 BC – 10 October AD 19) was a Roman people, Roman general and politician most famously known for his campaigns against Arminius in Germania. The son of Nero Claudius Drusus and Antonia the Younger, Germanicu ...

. Fearing he will be found guilty, Gnaeus Calpurnius Piso commits

suicide Suicide is the act of intentionally causing one's own death. Risk factors for suicide include mental disorders, physical disorders, and substance abuse. Some suicides are impulsive acts driven by stress (such as from financial or ac ...

By topic

Births

Deaths

* Gnaeus Calpurnius Piso, Roman statesman and governor of

Syria Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...

(b.

44 BC __NOTOC__ Year 44 BC was either a common year starting on Sunday, common year starting on Monday, leap year starting on Friday, or leap year starting on Saturday. (the sources differ, see leap year error for further information) and a common ye ...

) *

Vipsania Agrippina Vipsania Agrippina (; unknown – 20 AD) was the first wife of the Roman emperor, Emperor Tiberius. She was the daughter of Marcus Vipsanius Agrippa and Attica (wife of Agrippa), Attica, thus being a granddaughter of Titus Pomponius Atticus, t ...

, wife of Gaius Asinius Gallus and former wife of

(b.

36 BC __NOTOC__ Year 36 BC was either a common year starting on Tuesday, Wednesday or Thursday or a leap year starting on Wednesday of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting ...

) * Amanitore, Nubian

Queen Regnant A queen regnant (: queens regnant) is a female monarch, equivalent in rank, title and position to a king. She reigns ''suo jure'' (in her own right) over a realm known as a kingdom; as opposed to a queen consort, who is married to a reigning ...

of the Kushitic Kingdom of Meroë

References

{{DEFAULTSORT:20 0020 als:20er#20