The phrase "to witness the event" means being present and seeing something important or significant happen.
Sentences with «to witness the event»
The site includes photos and maps of concentration camps, as well as stirring accounts by survivors and soldiers who witnessed the events of the era. (educationworld.com)
«Maybe if we can get lucky, we can be there and actually witness an event like this,» she says. (scientificamerican.com)
Thus the follow - up question: when witnessing an event like that can I legally record the event for the purpose of submitting a criminal complaint against the minor or his parents? (law.stackexchange.com)