The phrase 'held last year' is correct and usable in written English.
You might use it to refer to an event that took place in the past, for example: "The annual charity gala was held last year."
The last corrida in the Spanish region of Catalonia was held last year after the regional Parliament voted to ban bullfighting.
Both are the products of meetings held last year (the wheels grind slowly in environmental bureaucracy).
A semblance of a women's Tour, the four-day Grand Boucle, was held last year.
Many such meetings were held last year to formulate Syria policy, said current and former officials.
But witnesses said the protest was smaller than two similar demonstrations held last year.
In Copenhagen, Denmark, just 25 miles away from where the competition was held last year in Malmö.
All seven dishes draw on ideas selected from a national schools' competition, which was held last year.
A series of meetings were held last year to discuss integration in Brighton.
The first series, held last year, featured lesser-known acts like the alternative band Filter.
The National Scrabble Championship is an annual event that was held last year in Orlando.
The Dutch pictures turned up in a minor auction held last year at Della Rocca in Turin.
