The phrase "he was announced" is grammatically correct and can be used in written English.
Example: As the winner of the competition, he was announced with great fanfare and applause.
Hundreds of delegates rose as one as he was announced.
Mr. Smith was 26 when he was announced for the role.
Just six years ago, when he was announced as the eleventh and youngest Doctor, he was barely known.
The crowd, as has become their now deeply entrenched habit, roared their support when he was announced.
He received another ovation as he was announced during the post parade.
When he was announced as the referee tonight, he was booed.
Uli Stielike was certainly that and he was announced in September.
The Madison Square Garden fans booed Eddy Curry as he was announced as a starter Wednesday night against Sacramento.
Guardiola has been intent on recruiting an alternative virtually since he was announced as Manuel Pellegrini's replacement on 1 February.
He also got slammed for having Greek columns erected on stage while he was announced as the Democratic nominee.
He was announced as a director of Crown Resorts a month later, an appointment which became effective in July.
