The 1st century BC started on January 1, 100 BC and ended on December 31, 1 BC. An alternative name for this century is the last century BC. The AD/BC notation does not use a year zero. Scientific notation does, however, and uses a minus sign, so '2 BC' is equal to 'year -1'.

Events

• 92 BC Lucullus invades Armenia insinuating the centuries long Roman-Persian Wars.
• 57 BC Silla is founded in southeastern Korea (traditional date according to Samguk Sagi)
• 53 BC The Parthians defeat the Romans under Crassus in the Battle of Carrhae
• 49 BC January 10: Julius Caesar crossed the Rubicon river, precipitating war with Rome
• 44 BC Julius Caesar murdered
• 37 BC Goguryeo is founded in southern Manchuria (traditional date according to Samguk Sagi)
• 31 BC Roman Civil War: Battle of Actium - Off the western coast of Greece, forces of Octavian defeat troops under Mark Antony and Cleopatra.
• 18 BC Baekje is founded in midwestern Korea (traditional date according to Samguk Sagi)
• The Roman Republic becomes the Roman Empire
• Birth of Jesus of Nazareth See: Chronology of Jesus' birth and death and Anno Domini for further details

Significant persons

• Burebista, greatest king of Dacia
• Catiline, attempted to overthrow Roman Republic
• Caesar Augustus, Roman emperor
• Cicero, Roman politician and writer
• Cleopatra VII of Egypt, Egyptian ruler
• Herod the Great
• Hillel the Elder, Jewish rabbi
• Horace, Roman poet
• Julius Caesar, Roman politician
• Livy, Roman historian
• Lucretius, Roman philosopher
• Marcus Antonius, Roman politician
• Marcus Junius Brutus, Caesar's adopted son, supposedly killed him
• Marcus Vipsanius Agrippa, Roman statesman and general
• Sextus Pompeius, pirate
• Ptolemy XIII of Egypt, drowned in Nile
• Ovid, Roman poet
• Virgil, Roman poet
• Spartacus, gladiator
• Sima Qian, Chinese historian
• Tigranes the Great, king of Armenia

Inventions, discoveries, introductions

• Sunspots, first recorded by Chinese
• The Antikythera mechanism is made
• The first dome was build by the romans
• Glass blowing is invented in Roman Syria

Decades and years

1st century BC

1ste eeu v.C. | 1 век пр.н.е. | Segle I aC | 1. století př. n. l. | 1. århundrede f.Kr. | 1. Jahrhundert v. Chr. | 1. sajand eKr | 1ος αιώνας π.Χ. | Siglo I adC | 1-a jarcento a.K. | Ier siècle av. J.-C. | 기원전 1세기 | 1. stoljeće p.n.e. | 1ma yar-cento aK | Abad ke-1 SM | I secolo a.C. | המאה ה-1 לפנה"ס | Saeculum 1 a.C.n. | 1. Joerhonnert v. Chr. | 1e eeuw v. Chr. | 紀元前1世紀 | 1. århundre f.Kr. | 1. århundret fvt. | I wiek p.n.e. | Século I a.C. | Secolul I î.Hr. | I век до н. э. | Sèculu I a.C. | 1. storočie pred Kr. | 1. stoletje pr. n. št. | Ika-1 siglo BC | MA 1. yöz | MÖ 1. yüzyıl | 1 століття до Р.Х. | 前1世纪