Scientists announced today that they have discovered a cure for apathy. However, they claim no one has shown the slightest interest in it.
— George Carlin

Although it is generally known, I think it's about time to announce that I was born at a very early age.
Groucho Marx announced quote

To announce that there must be no criticism of the president... is morally treasonable to the American public.
— Theodore Roosevelt

To announce truths is an infallible receipt for being persecuted.
— Voltaire

Let any pretty girl announce a divorce in Hollywood and the wolves come running. Fresh meat for the beast, and they are always hungry.
— announced quotation by Hedy Lamarr