Does Louis XIV’s sobriquet “Sun King” presuppose a belief in heliocentrism?

Why did Hitler never demand the Swiss German cantons as he demanded Austria and the Sudetenland? Were they ever part of a conceptual Grossdeutschland?

In the history of modern France, why do the National Convention, the Directory, and the Consulate all count as the “First Republic,” when a new constitution in 1958 is judged to have produced a new republic, complete with its own ordinal number?

If the Holy Roman Emperorship was elective, why did the Hapsburgs hold it for so long?

Is there a usage distinction between Hapsburg and Habsburg?