Timeline of Rome history
Early history 
1000 BC - Latins begin to settle in Italy.
753 BC - The city is allegedly founded in this year by Romulus and Remus.
750 BC - Tarpeia besieges cities, and hands it over to the Sabines
700 BC - Near Rome, the Etruscan civilization more or less begins.
659 BC - The enemy city of Alba Longa is destroyed by the Romans.
616 BC - The first Etruscan king of Rome, Tarquinius Priscus establishes a Forum and a Circus Maximus.
c.600 BC - Cloaca Maxima is probably(?) first built around this year.
578 BC - Servius Tullius becomes the next Etruscan king of Rome
565 BC - Servian Walls are built.
534 BC - King Servius is assassinated.
510 BC - Temple of Jupiter on the Capitol is completed and consecrated.
509 BC - Lucius Brutus founds the republic and expels the Etruscans and Tarquin the Proud from Rome.
508 BC - A Treaty is made between Rome and Carthage.
507 BC - The famous war against the Etruscans begins, featuring hero Horatio.
499 BC - A battle against foreign tribes commences, including the construction of the Temple of Castor and Pollux.
396 BC - The Etruscan city of Veio is defeated by the Romans.
380 BC - The once destroyed Servian wall is reconstructed.
312 BC - The Via Appia and Aqua Appia are constructed.
264 - 241 BC - The period of the First Punic War
220 BC - Via Flamina is constructed.
218 - 202 BC - The Second Punic War
149 - 146 BC - The Third Punic War
133 BC - 120 BC - Gracchi brothers are controversially killed.
71 BC - Spartacus is killed and his rebel army destroyed.
58-50 BC - Caesar conquers Gaul
Imperial city 
49 BC - Caesar crosses the Rubicon in order to take Rome.
27 BC - Augustus is made Rome's first emperor.
13 BC - The Ara Pacis is constituted since Augustus secured his empire.
42 AD - The apostle St Peter arrives in Rome.
c. 65 AD - The Romans begins to massacre Christians .
72 AD - Work on the Flavian Amphitheatre (Colosseum) begins?
March, 80 AD - The inauguration of the Colosseum begins.
121 AD - The Hadrian Wall is completed.
212 AD - All the inhabitants of the empire are granted citizenship.
216 AD - Work on the Baths of Caracalla is finally over, as the building gets completed.
247 AD - The first millennium of Rome is celebrated.
270 AD - Construction of the Aurelian Wall begins.
Early Medieval period 
c.320 - Old St. Peter's Basilica is constructed.
325- Constantine convenes the First Council of Nicaea.
380 - The Christian emperor Theodosius makes Christianity the official religion of Rome, persecuting pagans and destroying temples.
422 - The Church of Santa Sabina is founded.
476 - Romulus Augustulus is deposed, traditionally considered the end of the Western Roman Empire and the beginning of the Middle Ages in Europe. Byzantium continues to be the capital of the Eastern Roman Empire.
C. 590 - 604 - Pope Gregory the Great makes the Christian church exceedingly strong.
609 - The Pantheon becomes a Christian church.
630 - The Church of Sant' Agnese is the first Roman church to be constructed in Byzantine style.
725 - The King Ine of Wessex is the first man to create a hostel for pilgrims to Rome.
778 - Charlemagne conquers Italy and Rome.
800 - Charlemagne is crowned the emperor in St. Peter's Basilica.
880 - 932 - A rare occasion, the city is governed by women, Theodora and later her daughter Marozia.
High Middle Ages 
1108 - The church of San Clemente is in this year rebuilt.
1140 - The church of Santa Maria in Trastevere is restored.
1200 - The city becomes an independent commune
1232 - The cloisters in the Basilica of St. John Lateran are finished.
1300 - Pope Boniface VIII proclaims the First Holy Year.
1347 - The patriot and rebel Cola di Rienzo tries to restore the Roman Republic.
1348 - Just like across Italy and parts of Europe, the Black Death strikes Rome.
Roman Renaissance 
1377 - The Papacy returns to Rome with Pope Gregory XI.
1409 - 1415 - For a short while, the Papacy moves over to Pisa.
1417 - The Great Schism of the 14th century is ended by Pope Martin V
1444 - Bramante is born.
1452 - Old St. Peter's Basilica is demolished and a new one is begun.
1475 - Painter Michelangelo is born.
1483 - Raphael is born.
1486 - The Palazzo della Cancelleria is built.
1506 - The first significant works on the New St. Peter's Basilica re begun with Pope Julius II
1508 - Michelangelo paints the famous Sistine Chapel
1519 - The famous frescos of the Villa Farnesina are finally completed.
1527 - Charles V's troops attack Rome, looting and ruining the city.
Baroque period 
1568 - The Jesuits build the early Baroque church of the Gesu.
1571 - Caravaggio is born.
1585 - Rome's streets are re-planned by Pope Sixtus V
1595 - The frescos in the Palazzo Farnese are begun by Annibale Carracci
1600 - Giordano Bruno (philosopher) is burned at the stake for his heresies.
1626 - Construction of the new St. Peter's Basilica is completed.
1633 - Galileo is condemned for heresy.
1651 - Piazza Navona is fully re-designed by Bernini.
1656 - Bernini's colonnades in St. Peter's Square are begun.
1657 - Borromini finishes his work in Sant' Agnese in Agone.
1694 - The Palazzo di Montecitorio is finished.
1721 - The English prince and pretender Bonnie Prince Charlie is born in the city.
1732 - Work on the Trevi Fountain begins.
1734 - The Palazzo Nuovo is made by Pope Clement XII the world's first public museum.
1735 - This is the year in which Rome's Spanish Steps are designed.
1751 - The Views of Rome by Piranesi revives interest in Rome's classical ruins.
1762 - The Trevi Fountain is completed.
1797 - Napoleon Bonaparte has Rome captured.
19th century and Risorgimento 
1800 - 1801 - Napoleon retakes Italy and Rome.
1807 - Garibaldi is born.
1816 - Work on the Piazza del Popolo begins.
1820 - There are a series of revolts in Rome and the rest of Italy.
1821 - The British poet Keats dies in Rome.
1848 - Uprisings in Rome.
1849 - The Pope is restored to power in the city, with French help.
1870 - Rome is made part of the Italian kingdom.
20th century and Modern Rome 
1911 - The Vittorio Emanuele monument is completed.
1915 - Italy enters the World War I
1922 - March on Rome
1926 - Any party opposing Fascism is banned.
1929 - A separate country, the Vatican City is created with the Lateran Treaty.
1944 - Rome is liberated by the Allied troops from the Germans.
1946 - A National Referendum states that Italy becomes a Republic.
1957 - Treaty of Rome
1960 - Rome hosts the Olympic Games with great success.
1962 - Roman Catholic church reforms are brought about with the Second Vatican Council.
c.1978 - 1990 - Years of Lead.
1981 - An assassination attempt on Pope John Paul II is made this year in St. Peter's Basilica Square.
1990 - Rome hosts the football (soccer) World Cup.
1993 - Francesco Rutelli becomes the first elected mayor of Rome.
2000 - The city enters the New Millennium, featuring a new Holy Year, or the Jubilee.
2004 - A new constitution of the EU signed in Rome.
2005 - Pope John Paul II dies in Rome, and Pope Benedict XVI takes his place.
- Eyewitness Travel (2006), pg. 18 -41