Year 271 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 Claudus and Clepsina (or, less frequently, year 483 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 271 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

• With the restoration of the territories captured by Pyrrhus
  Pyrrhus of Epirus
  Pyrrhus or Pyrrhos was a Greek general and statesman of the Hellenistic era. He was king of the Greek tribe of Molossians, of the royal Aeacid house , and later he became king of Epirus and Macedon . He was one of the strongest opponents of early Rome...
  
  , and with grateful allies in Sparta
  Sparta
  Sparta or Lacedaemon, was a prominent city-state in ancient Greece, situated on the banks of the River Eurotas in Laconia, in south-eastern Peloponnese. It emerged as a political entity around the 10th century BC, when the invading Dorians subjugated the local, non-Dorian population. From c...
  
   and Argos
  Argos
  Argos is a city and a former municipality in Argolis, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Argos-Mykines, of which it is a municipal unit. It is 11 kilometres from Nafplion, which was its historic harbour...
  
  , and garrisons in Corinth
  Corinth
  Corinth is a city and former municipality in Corinthia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Corinth, of which it is the seat and a municipal unit...
  
   and other Greek key cities, Antigonus II
  Antigonus II Gonatas
  Antigonus II Gonatas was a powerful ruler who firmly established the Antigonid dynasty in Macedonia and acquired fame for his victory over the Gauls who had invaded the Balkans.-Birth and family:...
  
   securely controls Macedon
  Macedon
  Macedonia or Macedon was an ancient kingdom, centered in the northeastern part of the Greek peninsula, bordered by Epirus to the west, Paeonia to the north, the region of Thrace to the east and Thessaly to the south....
  
  ia and Greece
  Ancient Greece
  Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...
  
  . Antigonus becomes the chief of the Thessalian League and is on good terms with neighbouring Illyria
  Illyria
  In classical antiquity, Illyria was a region in the western part of the Balkan Peninsula inhabited by the Illyrians....
  
   and Thrace
  Thrace
  Thrace is a historical and geographic area in southeast Europe. As a geographical concept, Thrace designates a region bounded by the Balkan Mountains on the north, Rhodope Mountains and the Aegean Sea on the south, and by the Black Sea and the Sea of Marmara on the east...
  
  . He secures his position in Greece by keeping Macedonian occupation forces in the cities of Corinth, Chalcis
  Chalcis
  Chalcis or Chalkida , the chief town of the island of Euboea in Greece, is situated on the strait of the Evripos at its narrowest point. The name is preserved from antiquity and is derived from the Greek χαλκός , though there is no trace of any mines in the area...
  
   on the island of Euboea
  Euboea
  Euboea is the second largest Greek island in area and population, after Crete. The narrow Euripus Strait separates it from Boeotia in mainland Greece. In general outline it is a long and narrow, seahorse-shaped island; it is about long, and varies in breadth from to...
  
  , and Demetrias
  Demetrias
  Demetrias was an ancient Greek city in Magnesia , near the modern city of Volos. It was founded by Demetrius Poliorcetes, one of the successors of Alexander the Great.-External links:*...
  
   in Thessaly
  Thessaly
  Thessaly is a traditional geographical region and an administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia, and appears thus in Homer's Odyssey....
  
  , the three "shackles" of Hellas.

India

• The Mauryan army is driven out of Kadamba by a coalition of Tamil
  Tamil people
  Tamil people , also called Tamils or Tamilians, are an ethnic group native to Tamil Nadu, India and the north-eastern region of Sri Lanka. Historic and post 15th century emigrant communities are also found across the world, notably Malaysia, Singapore, Mauritius, South Africa, Australia, Canada,...
  
  kings under Emperor Cenni Cholan.