Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a
Roman
Roman or Romans most often refers to:
*Rome, the capital city of Italy
*Ancient Rome, Roman civilization from 8th century BC to 5th century AD
* Roman people, the people of ancient Rome
*'' Epistle to the Romans'', shortened to ''Romans'', a lett ...
general and statesman. A member of the
First Triumvirate
The First Triumvirate was an informal political alliance among three prominent politicians in the late Roman Republic: Gaius Julius Caesar, Gnaeus Pompeius Magnus and Marcus Licinius Crassus. The constitution of the Roman republic had many v ...
, Caesar led the Roman armies in the
Gallic Wars
The Gallic Wars were waged between 58 and 50 BC by the Roman general Julius Caesar against the peoples of Gaul (present-day France, Belgium, Germany and Switzerland). Gallic, Germanic, and British tribes fought to defend their homel ...
before defeating his political rival
Pompey
Gnaeus Pompeius Magnus (; 29 September 106 BC – 28 September 48 BC), known in English as Pompey or Pompey the Great, was a leading Roman general and statesman. He played a significant role in the transformation of ...
in
a civil war, and subsequently became
dictator
A dictator is a political leader who possesses absolute power. A dictatorship is a state ruled by one dictator or by a small clique. The word originated as the title of a Roman dictator elected by the Roman Senate to rule the republic in ti ...
from 49 BC until
his assassination in 44 BC. He played a critical role in
the events that led to the demise of the
Roman Republic
The Roman Republic ( la, Res publica Romana ) was a form of government of Rome and the era of the classical Roman civilization when it was run through public representation of the Roman people. Beginning with the overthrow of the Roman Kingd ...
and the rise of the
Roman Empire
The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post- Republican period of ancient Rome. As a polity, it included large territorial holdings around the Medite ...
.
In 60 BC, Caesar,
Crassus
Marcus Licinius Crassus (; 115 – 53 BC) was a Roman general and statesman who played a key role in the transformation of the Roman Republic into the Roman Empire. He is often called "the richest man in Rome." Wallechinsky, David & Wallace, ...
and
Pompey
Gnaeus Pompeius Magnus (; 29 September 106 BC – 28 September 48 BC), known in English as Pompey or Pompey the Great, was a leading Roman general and statesman. He played a significant role in the transformation of ...
formed the
First Triumvirate
The First Triumvirate was an informal political alliance among three prominent politicians in the late Roman Republic: Gaius Julius Caesar, Gnaeus Pompeius Magnus and Marcus Licinius Crassus. The constitution of the Roman republic had many v ...
, an informal political alliance that dominated
Roman politics for several years. Their attempts to amass power as were opposed by the within the
Roman Senate
The Roman Senate ( la, Senātus Rōmānus) was a governing and advisory assembly in ancient Rome. It was one of the most enduring institutions in Roman history, being established in the first days of the city of Rome (traditionally founded in ...
, among them
Cato the Younger
Marcus Porcius Cato "Uticensis" ("of Utica"; ; 95 BC – April 46 BC), also known as Cato the Younger ( la, Cato Minor), was an influential conservative Roman senator during the late Republic. His conservative principles were focused on the ...
with the frequent support of
Cicero
Marcus Tullius Cicero ( ; ; 3 January 106 BC – 7 December 43 BC) was a Roman statesman, lawyer, scholar, philosopher, and academic skeptic, who tried to uphold optimate principles during the political crises that led to the est ...
. Caesar rose to become one of the most powerful politicians in the Roman Republic through a string of military victories in the
Gallic Wars
The Gallic Wars were waged between 58 and 50 BC by the Roman general Julius Caesar against the peoples of Gaul (present-day France, Belgium, Germany and Switzerland). Gallic, Germanic, and British tribes fought to defend their homel ...
, completed by 51 BC, which greatly extended Roman territory. During this time he both
invaded Britain and
built a bridge across the Rhine river. These achievements and the support of his veteran army threatened to eclipse the standing of Pompey, who had realigned himself with the Senate after the
death of Crassus in 53 BC. With the
Gallic Wars
The Gallic Wars were waged between 58 and 50 BC by the Roman general Julius Caesar against the peoples of Gaul (present-day France, Belgium, Germany and Switzerland). Gallic, Germanic, and British tribes fought to defend their homel ...
concluded, the Senate ordered Caesar to step down from his military command and return to Rome. In 49 BC, Caesar openly defied the Senate's authority by
crossing the Rubicon
The phrase "crossing the Rubicon" is an idiom that means "passing a point of no return". Its meaning comes from allusion to the crossing of the river Rubicon by Julius Caesar in early January 49 BC. The exact date is unknown. Scholars u ...
and marching towards Rome at the head of an army. This began
Caesar's civil war
Caesar's civil war (49–45 BC) was one of the last politico-military conflicts of the Roman Republic before its reorganization into the Roman Empire. It began as a series of political and military confrontations between Gaius Julius Caesar ...
, which he won, leaving him in a position of near unchallenged power and influence in 45 BC.
After assuming control of government, Caesar began a program of social and governmental reforms, including the creation of the
Julian calendar
The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematics, Greek mathematicians and Ancient Greek astronomy, as ...
. He gave
citizenship
Citizenship is a "relationship between an individual and a state to which the individual owes allegiance and in turn is entitled to its protection".
Each state determines the conditions under which it will recognize persons as its citizens, and ...
to many residents of far regions of the Roman Republic. He initiated land reform and support for veterans. He centralized the bureaucracy of the Republic and was eventually proclaimed "dictator for life" (). His populist and authoritarian reforms angered the elites, who began to conspire against him. On the
Ides of March
The Ides of March (; la, Idus Martiae, Late Latin: ) is the 74th day in the Roman calendar, corresponding to 15 March. It was marked by several religious observances and was notable in Rome as a deadline for settling debts. In 44 BC, it became ...
(15 March) 44 BC, Caesar was assassinated by a group of rebellious senators led by
Brutus
Marcus Junius Brutus (; ; 85 BC – 23 October 42 BC), often referred to simply as Brutus, was a Roman politician, orator, and the most famous of the assassins of Julius Caesar. After being adopted by a relative, he used the name Quintus Ser ...
and
Cassius, who stabbed him to death. A new
series of civil wars broke out and the
constitutional government of the Republic was never fully restored. Caesar's great-nephew and adopted heir Octavian, later known as
Augustus
Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor; he reigned from 27 BC until his death in AD 14. He is known for being the founder of the Roman Pr ...
, rose to sole power after defeating his opponents in the
last civil war of the Roman Republic. Octavian set about solidifying his power, and the era of the
Roman Empire
The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post- Republican period of ancient Rome. As a polity, it included large territorial holdings around the Medite ...
began.
Caesar was an accomplished author and historian as well as a statesman; much of his life is known from his own accounts of his military campaigns. Other contemporary sources include the letters and speeches of Cicero and the historical writings of
Sallust
Gaius Sallustius Crispus, usually anglicised as Sallust (; 86 – ), was a Roman historian and politician from an Italian plebeian family. Probably born at Amiternum in the country of the Sabines, Sallust became during the 50s BC a partisan ...
. Later biographies of Caesar by
Suetonius
Gaius Suetonius Tranquillus (), commonly referred to as Suetonius ( ; c. AD 69 – after AD 122), was a Roman historian who wrote during the early Imperial era of the Roman Empire.
His most important surviving work is a set of biographies ...
and
Plutarch
Plutarch (; grc-gre, Πλούταρχος, ''Ploútarchos''; ; – after AD 119) was a Greek Middle Platonist philosopher, historian, biographer, essayist, and priest at the Temple of Apollo in Delphi. He is known primarily for his ...
are also important sources. Caesar is considered by many historians to be one of the greatest military commanders in history. His
cognomen
A ''cognomen'' (; plural ''cognomina''; from ''con-'' "together with" and ''(g)nomen'' "name") was the third name of a citizen of ancient Rome, under Roman naming conventions. Initially, it was a nickname, but lost that purpose when it became her ...
was subsequently adopted as a
synonym
A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are al ...
for "
Emperor
An emperor (from la, imperator, via fro, empereor) is a monarch, and usually the sovereign ruler of an empire or another type of imperial realm. Empress, the female equivalent, may indicate an emperor's wife ( empress consort), mother ( e ...
"; the title "
Caesar
Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, an ...
" was used throughout the Roman Empire, giving rise to modern
descendants such as
Kaiser
''Kaiser'' is the German word for " emperor" (female Kaiserin). In general, the German title in principle applies to rulers anywhere in the world above the rank of king (''König''). In English, the (untranslated) word ''Kaiser'' is mainly a ...
and
Tsar
Tsar ( or ), also spelled ''czar'', ''tzar'', or ''csar'', is a title used by East and South Slavic monarchs. The term is derived from the Latin word ''caesar'', which was intended to mean "emperor" in the European medieval sense of the te ...
. He has
frequently appeared in literary and artistic works, and his political philosophy, known as
Caesarism
Caesarism is an authoritarian or autocratic political philosophy inspired by Julius Caesar. It has been used in various ways by both proponents and opponents as a pejorative.
Historical use of the term
The first documented use of the word i ...
, has inspired politicians into the modern era.
Early life and career

Gaius Julius Caesar was born into a
patrician family, the , which claimed descent from
Julus, son of the legendary
Trojan
Trojan or Trojans may refer to:
* Of or from the ancient city of Troy
* Trojan language, the language of the historical Trojans
Arts and entertainment Music
* ''Les Troyens'' ('The Trojans'), an opera by Berlioz, premiered part 1863, part 189 ...
prince
Aeneas
In Greco-Roman mythology, Aeneas (, ; from ) was a Trojan hero, the son of the Trojan prince Anchises and the Greek goddess Aphrodite (equivalent to the Roman Venus (mythology), Venus). His father was a first cousin of King Priam of Troy (both ...
, supposedly the son of the goddess
Venus
Venus is the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition. As an i