The phrase "arranged event" is correct and usable in written English.
It can be used to describe an event that has been organized or planned in advance.
Example: "The arranged event will take place next Saturday at the community center."
Alternatives: "scheduled event" or "organized event".
The hastily arranged event had been addressed by the foreign office minister, Peter Hain.
Today was Day 6 of the campaign, and General Clark's 20-minute stump speech at the hastily arranged event here had a few rough patches.
Asked if the hastily arranged event was a sign of alarm, the prime minister said "not at all" but he wanted to make sure he had debunked all the untruths being told by leading Brexit campaigners.
The hastily arranged event was notable most strikingly for its timing: less than 24 hours before an appearance by Clinton before a House select committee on the Benghazi attacks that could prove a turning point in her own campaign.
"I have always said that the Lord has a purpose for me as he has for everyone, and as I suspend my campaign today I have renewed faith, deeper faith, that the Lord will show me the way forward and fulfill the purpose of my life," Kasich told supporters at a hastily arranged event in Columbus.
It's really an assault on our country," Trump said during a hastily arranged event at the White House.
Wading through his library, Helgeland arranged events into timelines to find points of consensus.
And this week, the publisher arranged events in New York and London to announce the next instalment: Skylanders Trap Team.
Pasting the photographed heads and bodies of the victims onto photographs of the scenes of the crimes, Appert arranged events as he imagined they had happened.
John Ordover, a 45-year-old editor of science fiction books who lives in Bay Ridge, Brooklyn, has for the past three years arranged events like dinner parties and museum tours for urban nudists, but this was his first attempt at nautical nudity.
The paper's enterprising readers set up a social network of societies, including the Clarion Cycling Club (which is still going), Vocal Unions, the Clarion Fellowship, Clarion Handicraft Clubs, Clarion Scouts, Rambling Clubs and Cinderella Clubs (which arranged events for children).
