Their weapon was temporal power and the vestige of respect that still attached to the title of Emperor.

Even on these occasions Napoleon seized the opportunity for renewing his claim to the title of Emperor.

The Japanese monarchy is now the only monarchy to still use the title of Emperor.

He refused to accept the title of Emperor though he expanded his rule to the peninsula.

Sometimes an empire is a semantic construction, such as when a ruler assumes the title of "Emperor".

And the title of Emperor had become a joke.

Up to that date, Charles continued to use the title of Emperor.

Not for me the petty titles of King or Emperor.

Who are you to take the title of Emperor?

In 911, he claimed the title of Emperor of Yan.