Le parole scure sono quelle che ti suggerisco di corregere
After the battle a big fear came to mind Tarquinius and Etruscans.
You can take "to mind" out. Sopraggiunse just means a big fear came, so "to mind" is unnecessary.
And so, at night, both armies, Venio's and Tarquinus', went closer to their own native land.
You can remove the word "own" because it is repetitive and the word "their" is enough to show that it's Venio's and Tarquinu's native land.
In the battle also happened some strange events:
This phrase doesn't have the most fitting translation from Italian. One because the diction in english in your translation isn't the same as what is being said in Italian. Second because, unlike in Italian, in English it makes more sense to put the location (the battle) after the main sentence. This is how I would translated it: Astonishing events occurred during the battle.
In the still night a loud voice in the woods had said these words:
This isn't wrong, but a better word might be "powerful." When I think of the word "loud" in Italian I think of "forte", but when I think of "powerful" I think of "potente".
"The Romans are stronger in war." After the light had come, the enemies couldn't be seen.
This is what I suggest you change it to: After the lighted arrived the enemies disappeared
And so, P. Valerius, the consul, gathered the remains and left the place;
"Gathered the remains" is what "radunò le spoglie" means <--- I actually don't know if this is correct, because I didn't know what it meant either so I looked it up.
afterwards, with great pomp,
I've never heard of the word pomp before now, but "gande fasto" basically means that it was really spectacular and fancy. I would have used the word "lavish"
Brutus consul's funeral was had.
"was Brutus consul's funeral"
But there wasn't the people's support, because their thoughts change over time.
I don't know what you mean by this but it doesn't sound quite right. If you can please clarify in the comments :)
Good job on this!!!
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