συνέβησαν (synebesan)
συνέβησαν is an Ancient Greek form of συμβαίνω, meaning “happen, come to pass; agree”. It is the 3rd person plural aorist active indicative.
Found 37 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, Numa 3.1: … ίαν τὰ πράγματα καὶ διαπαιδαγωγοῦντες ἐν σφίσιν αὐτοῖς τὴν πολιτείαν, βασιλεύεσθαι δὲ οὐκ ἐθέλοιεν. ἐκ τούτου συνέβησαν ἀμφότεραι πρὸς ἀλλήλας αἱ στάσεις, ὥστε τὴν ἑτέραν ἐκ τῆς ἑτέρας ἀποδεῖξαι βασιλέα·
All forms of συμβαίνω (conjugation table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.