Το συμβάν έγινε το πρωί.

Because the sentence contains two separate noun phrases:

• Το συμβάν = the incident
• το πρωί = in the morning / the morning

Each noun phrase needs its own article. So the first το belongs to συμβάν, and the second το belongs to πρωί.

Συμβάν is a neuter noun meaning event or incident. In this sentence, it means incident.

Its article is το because it is neuter singular:

• το συμβάν = the incident

This is a somewhat formal word. In everyday Greek, people may also use περιστατικό in similar contexts.

Έγινε is the aorist (simple past) form of γίνομαι.

The verb γίνομαι often means:

• to become
• to happen
• to take place

So in this sentence, έγινε means happened or took place.

Even though learners often first meet γίνομαι as become, Greek uses it very naturally for events that happen.

Yes. The subject is Το συμβάν = the incident, which is singular, so the verb is also singular:

• Το συμβάν έγινε = The incident happened

If the subject were plural, the verb would also be plural.

It is the aorist, which is one of the main past tenses in Greek.

Here it expresses a completed event in the past: the incident happened at a particular time.

So έγινε is a very natural choice for a single finished event.

Because Greek often expresses times of day without a preposition.

So:

• το πρωί = in the morning
• το βράδυ = in the evening / at night
• το μεσημέρι = at noon / in the midday period

This is a very common Greek pattern. English needs in, but Greek often does not.

In Greek, many time expressions use the article:

• το πρωί = in the morning
• το απόγευμα = in the afternoon
• το βράδυ = in the evening

So here το πρωί functions as a set time expression. It does not literally mean only the morning in a strict English sense; in context it often means in the morning.

It is in the accusative, used adverbially to express time.

Greek often uses the accusative without a preposition for expressions of time when something happens:

• το πρωί = in the morning
• την Κυριακή = on Sunday
• την άλλη μέρα = the next day

So this is a normal time-expression structure.

Yes. συνέβη comes from συμβαίνω and also means happened.

So both are possible:

• Το συμβάν έγινε το πρωί
• Το συμβάν συνέβη το πρωί

A small nuance:

• συνέβη is more directly happened
• έγινε is extremely common and can mean happened / took place

In many contexts, έγινε sounds very natural and idiomatic.

No, Greek word order is fairly flexible.

Το συμβάν έγινε το πρωί is the neutral, straightforward order.

You could also move το πρωί earlier for emphasis:

• Το πρωί έγινε το συμβάν

But that sounds more marked, as if you are stressing when it happened.

So the original sentence is the most neutral version.

It is common, but it sounds a bit formal or official, especially in news, reports, or police-style language.

In more everyday conversation, people might often say περιστατικό instead, depending on context.

So συμβάν is perfectly correct, but its tone can feel a little more formal than some alternatives.

The stress is on the first syllable:

• ΕΓΙνε

And in συμβάν, the stress is on the last syllable:

• συμΒΑΝ

In πρωί, the stress is on the second syllable:

• πρωΙ

Paying attention to stress is important in Greek, because it is part of the correct form of the word.