This is the 3670th most frequent Portuguese word.
tornaram
"Turned into" or "became."
In this sentence, 'tornaram' is used to indicate a transformation or change that occurred over time, meaning 'became'.
Os eventos históricos se tornaram um importante ponto de estudo.
Historical events have become an important point of study.
Here, 'tornaram' expresses the action of making something happen, specifically turning a dream into reality.
Eles tornaram o sonho de viajar realidade.
They turned the dream of traveling into reality.
'Tornaram' is used to express something gradually becoming a certain way, in this case, 'became'.