However, it has been considered a separate species since 2001.

It has been considered a recreational area since the early 1870s.

In the technical research field this feature has been considered only since the late 1990s.

It is considered the worst flood in the city's history since 1557.

Object databases have been considered since the early 1980s and 1990s.

The House, by contrast, hasn't even considered a broad reform since 1974.

More than 40 cases have been considered since that date but resulted in no charge.

The football team has been considered a state powerhouse since the 1960s.

The idea had been considered since as early as 2005.

In Germany, the bear has been considered the king of the animals since ancient times.