started, began
Los fuegos artificiales empezaron justo a medianoche.
The fireworks started right at midnight.
Estuvo tranquilo todo el día hasta que empezaron las discusiones.
He was calm all day until the arguments started.
Y empezaron con lo que llaman"submarino".
And they started with what they call “waterboarding.”
— Argentina 1985 (2022)
Los alemanes empezaron la batalla.
The Germans started the battle.
Al menos parece que ahí empezaron sus alucinaciones.
At least that's where his hallucinations seem to have started.
They started at the same time.