The Fourth Philippic is a speech attributed to the Athenian statesman and orator, Demosthenes and given in 341 BC.
Modern scholars, however, consider that the speech is not Demosthenes' work and may be attributed to Anaximenes of Lampsacus who frequently wrote imagined dialogues or speeches for real figures.
[1] In 341 BC, when the embassy for which Demosthenes is calling in his fourth Philippic is sent to the Persians, Philip of Macedon is angry.
In the Fourth Philippic, Demosthenes asks that money be sent because of an upcoming war with Macedon.
It includes two significant passages copied from Demosthenes' earlier On the Chersonese and Second Philippic speeches, leading to further doubts about its authorship.