342 BC Chr.

342 BC Chr.
Aristotle becomes Alexander the great's teacher .	The state of Wei triumphs over the states of Qi and Han in the Battle of Maling .
342 BC In other calendars
Buddhist calendar	202/203 (southern Buddhism); 201/202 (alternative calculation according to Buddha's Parinirvana )
Chinese calendar	39th (40th) cycle , year of the earth-hare己卯 ( at the beginning of the year earth-tiger 戊寅)
Greek calendar	2nd / 3rd Year of the 109th Olympiad
Jewish calendar	3419/20
Roman calendar	from urbe condita CDXII (412)

Events

Thrace campaign of the Macedonian king Philip II. The Thracian king Kersebleptes is subjugated, Macedonian rule is extended to the Balkan Mountains and the city of Philippopolis (Plovdiv) is established.
The Macedonians under Antipater and Parmenion devastate the Sporades and land on Euboea , where they lay garrisons in Oreos and Eretria after Athens tried to drive out Promakedon rulers. Demosthenes denounces this as a violation of the peace of Philocrates .

Statue head of Nectanebo II (Musée des Beaux Arts, Lyon)

The Persians under Artaxerxes III. end the conquest of Egypt , which began the previous year and which will again become a Persian province. Nectanebo II , the last native pharaoh in ancient Egypt , flees to Nubia .

The Romans appoint Marcus Valerius Corvus as dictator in the First Samnite War .
Victory of the Romans over the Samnites at Saticula (east of Capua ) and on Mount Gaurus (near Cumae ).
The Leges Genuciae are issued.

^{see main article of the Chinese Empire}

The Warring States around 350 BC Chr.

Wei state victorious over Qi and Han states in the Battle of Maling during the Warring States Period in China .

342/341 BC Chr .: Menander , Greek comic poet († 293 / 292 v. Chr. )
around 342 BC Chr .: Thessalonike of Macedonia , Macedonian princess († 295 BC )