Year 146 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Lentulus and Achaicus (or, less frequently, year 608 Ab urbe condita). The denomination 146 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
|Millennium:||1st millennium BC|
|Gregorian calendar||146 BC|
|Ab urbe condita||608|
|Ancient Egypt era||XXXIII dynasty, 178|
|- Pharaoh||Ptolemy VI Philometor, 35|
|Ancient Greek era||158th Olympiad, year 3|
|Balinese saka calendar||N/A|
|Chinese calendar||甲午年 (Wood Horse)|
2551 or 2491
— to —
乙未年 (Wood Goat)
2552 or 2492
|Coptic calendar||−429 – −428|
|Ethiopian calendar||−153 – −152|
|- Vikram Samvat||−89 – −88|
|- Shaka Samvat||N/A|
|- Kali Yuga||2955–2956|
|Iranian calendar||767 BP – 766 BP|
|Islamic calendar||791 BH – 790 BH|
|Minguo calendar||2057 before ROC|
|Seleucid era||166/167 AG|
|Thai solar calendar||397–398|
−19 or −400 or −1172
— to —
−18 or −399 or −1171
- With Carthage and Greece conquered, Rome becomes the sole superpower in the Mediterranean world, a distinction it will continue to hold for approximately the next 600 years.
- Spring – Carthage falls to Roman forces under Scipio Aemilianus. The walls are finally breached and the city is completely destroyed by order of the Roman Senate, despite Scipio's protests. End of the Third Punic War.
- Battle of Scarpheia: The Romans led by Quintus Caecilius Metellus Macedonicus defeat an Achaean League force under Critolaus (who is killed in battle). The League is reduced to freeing and arming 12,000 slaves.
- Battle of Corinth: The Romans under Lucius Mummius defeat the Achaean League near Corinth. Corinth is destroyed, and the Achaean League dissolved. Southern Greece becomes a Roman province and after last year's occupation of Macedonia the whole of Greece is now under Roman power. The Romans strip Corinth of its art treasures and ship them back to Rome.
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