On June 16, 2006, after a careful ballot count, and a dispute over whether votes for unqualified write-in candidates such as George W. Bush and Homer Simpson counted towards the total, Dellums was unofficially declared the winner in the Oakland mayoral race.

The poll voters were waiting for the Orange Bowl before deciding which team would be unofficially declared No. 1 in college football, but Coach Bobby Ross was ready to make his opinion known.

In Harbor Gateway, the neighborhood where Cheryl Green was killed, tension had grown so severe that blacks and Latinos formed a dividing line on a street that both sides understood never to cross and a small market was unofficially declared off-limits to blacks.

On July 7, 2007 Prince returned to his hometown of Minneapolis to perform three shows in what was unofficially declared Prince Day in Minnesota.

In the United States, July 30 has been unofficially declared "National Cheesecake Day".

The city is located 3484 meters above sea level and was declared unofficially as "capital of Puna" on August 30, 1973.

During an afternoon session last Friday, Kurt Busch tandem drafted with Regan Smith and ripped off a remarkable lap of 206.058 mph that was unofficially declared fastest of them all.

War had been already been unofficially declared by Phillip II of Spain after the Treaty of Nonsuch in which Elizabeth I had offered her support to the rebellious Protestant Dutch rebels.