Year 98 BC was a year of the pre-Julian Roman calendar

Roman calendar

The Roman calendar changed its form several times in the time between the founding of Rome and the fall of the Roman Empire. This article generally discusses the early Roman or pre-Julian calendars...

. At the time it was known as the Year of the Consulship of Nepos and Didius (or, less frequently, year 656 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 98 BC 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 Republic

• Consul
  Consul
  Consul was the highest elected office of the Roman Republic and an appointive office under the Empire. The title was also used in other city states and also revived in modern states, notably in the First French Republic...
  
  s: Quintus Caecilius Metellus Nepos
  Quintus Caecilius Metellus Nepos
  Quintus Caecilius Metellus Nepos was a son of Quintus Caecilius Metellus Balearicus. He was a Consul in 98 BC, having fought at the Iberian Peninsula against the Celtiberians and the Vaccaei, suffering before these ones a memorable defeat.He married Licinia Prima, who after widowed married the...
  
   and Titus Didius
  Titus Didius
  Titus Didius was a general and politician of the Roman Republic. He is credited with the restoration of the Villa Publica, and is notorious for his proconsulship in Hispania Citerior ....
  
  
• The Senate
  Roman Senate
  The Senate of the Roman Republic was a political institution in the ancient Roman Republic, however, it was not an elected body, but one whose members were appointed by the consuls, and later by the censors. After a magistrate served his term in office, it usually was followed with automatic...
  
   passes a resolution forbidding human sacrifice
  Human sacrifice
  Human sacrifice is the act of killing one or more human beings as part of a religious ritual . Its typology closely parallels the various practices of ritual slaughter of animals and of religious sacrifice in general. Human sacrifice has been practised in various cultures throughout history...
  
  .
• The Senate passes the Lex Caecilia Didia
  Lex Caecilia Didia
  The Lex Caecilia Didia was a law put into effect by the consuls Q. Caecilius Metellus Nepos and Titus Didius in the year 98 BCE. This law had two provisions. The first was a minimum period between proposing a Roman law and voting on it, and the second was a ban of miscellaneous provisions in a...
  
   which bans omnibus bills.

Births

• Nigidius Figulus
  Nigidius Figulus
  Among his contemporaries, Nigidius's reputation for learning was second only to that of Varro. Even in his own time, his works were regarded as often abstruse, perhaps because of their esoteric Pythagoreanism, into which Nigidius incorporated Stoic elements...
  
  , Roman philosopher (probable date) (d. 45 BC
  45 BC
  Year 45 BC was either a common year starting on Thursday, Friday or Saturday or a leap year starting on Friday or Saturday and the first year of the Julian calendar and a leap year starting on Friday of the Proleptic Julian calendar...
  
  )
• Terentia, first wife of Cicero (d. AD 4
  4
  Year 4 was a common year starting on Wednesday or a leap year starting on Tuesday of the Julian calendar and a leap year starting on Tuesday of the Proleptic Julian calendar...
  
  ).