The phrase "a demonstration held" is correct and usable in written English.
It can be used to refer to an event where a demonstration took place, often in the context of protests, presentations, or exhibitions.
Example: "The community organized a demonstration held in the town square to raise awareness about climate change."
Alternatives: "a demonstration conducted" or "a demonstration organized".
Comment about a demonstration held a week before free elections in Russia, the Ukraine and Byelorussia.
The march was far smaller than a demonstration held before Friday's opening ceremony that stretched for almost two city blocks.
A demonstration held the day before the inauguration had ended in violence and arrests, but the police left the strollers alone.
By Ronnie Dugger The New Yorker, March 19 , 1990P. 33 Comment about a demonstration held a week before free elections in Russia, the Ukraine and Byelorussia.
The authorities ordered that he be detained for four days pending investigation into charges of "inciting protests" in connection with a demonstration held in March, according to local media reports.
But a demonstration held in May by around 50 sheep farmers outside the Tribunal Administratif (which hears civil disputes) in Grenoble, in the south-east, hinged on a relatively new EU gripe: the rules around microchipping livestock.
It is not unusual to see female officers amble through a demonstration, holding hands and chatting.
Some take part in a demonstration, holding banners with uplifting messages like "Dignity".
Greenpeace, whose members were recently hauled into court over a 2011 demonstration held at a nuclear power plant in Valencia, has spoken out against the legislation.
At a product demonstration held after Staggs' presentation, a girl playing the game was out of breath as she ran around dodging an attack from Ultron, the central villain of the recently released blockbuster "Avengers: Age of Ultron".
VICE News attended a massive demonstration held in Bogota on April 9, a day commemorating the victims of the conflict, to talk to attendees about what a deal signed in Havana could mean for peace at home.
