Year 488 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 Rutilus and Furius (or, less frequently, year 266 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 488 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.

Greece

• The Athenians
  Athens
  Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...
  
   ostracise Hipparchos for his favouring of appeasement of the Persians
  Achaemenid Empire
  The Achaemenid Empire , sometimes known as First Persian Empire and/or Persian Empire, was founded in the 6th century BCE by Cyrus the Great who overthrew the Median confederation...
  
  .

Sicily

• Theron
  Theron of Acragas
  Theron , son of Aenesidamus, was a Greek tyrant of the town of Acragas in Sicily from 488 BC. He soon became an ally of Gelo, who at that time controlled Gela, and from 485 BC Syracuse. Gelo later became Theron's son-in-law....
  
   becomes tyrant
  Tyrant
  A tyrant was originally one who illegally seized and controlled a governmental power in a polis. Tyrants were a group of individuals who took over many Greek poleis during the uprising of the middle classes in the sixth and seventh centuries BC, ousting the aristocratic governments.Plato and...
  
   of Acragas
  Agrigento
  Agrigento , is a city on the southern coast of Sicily, Italy, and capital of the province of Agrigento. It is renowned as the site of the ancient Greek city of Akragas , one of the leading cities of Magna Graecia during the golden...
  
   in Sicily
  Sicily
  Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...
  
  .