He was at the height of his power during the 1260s and 1270s.

He died at the height of his power in the year 341.

He was young and strong, at the height of his power.

The organization had over 5,000 members at the height of its power.

We done that, even at the height of their power.

It reached the height of its power in the 18th century.

In the 18th century, England was at the height of its commercial and military power.

At the height of its power, it was estimated, the population had been a million people.

Six years ago they were both at the height of their powers.

He was, when I met him, probably at the height of his powers.