The police were given special permission to retain the display, on condition that the tourist guides pointed out the historical anomalies.

He argues that 20th-century liberalism was a grand historical anomaly made possible by the cold war.

Such a policy is reminiscent of what he called "one of the great historical anomalies of the Australian economy."

The exhibits also included historical anomalies which were the result of history collapsing, such as penguins on the Nile.

If it's a city, then borough presidents seem to be a historical anomaly.

While this may remain true it's a historical anomaly and makes no difference whatsoever in practice.

While we've lived through the past five years, we think it has been a historical anomaly.

The two species are so similar, some scientists regard their separation into distinct species as a historical anomaly.

They may still be exceptional, but their very existence is extraordinary, a historical anomaly inconceivable until this generation.

Most of its historical anomalies survive in the present offence.