Some small clouds live for hours, while at least one southern cloud may have persisted since Voyager flyby.

Dry land wheat farming has persisted since that time.

References to this Land of Goshen have persisted since that time.

She'd known of their ritual mutilation, a custom that had persisted since ancient days.

Moreover this level of inter-party agreement has persisted since 1970.

The custom of measuring time by one's shadow has persisted since ancient times.

As to higher level groupings, disagreement has persisted since the 19th century.

This situation has persisted since the creation of the agency in 2008.

William's death thus ended the personal union of Britain and Hanover, which had persisted since 1714.

The film's reputation has persisted and grown since its release.