The Spanish Empire once controlled vast territories in the Americas.

Morse code is still in use in aviation and amateur radio today.

All human languages have nouns and verbs — but many lack adjectives or other categories found in English.

The Sumerian language died as a spoken tongue around 2000 BC but continued as a liturgical language for centuries.

The word 'set' has the most definitions in the English language — over 430 in the Oxford English Dictionary.

Dogs can learn over 1,000 words and gestures, similar to the vocabulary of a young child.

The concept of a 'dead language' is complex — Latin died as a spoken tongue but gave birth to French, Spanish, Italian, Portuguese, and Romanian.

Language death is driven by economic and political power — speakers shift to more useful languages.

Languages evolve continuously — Shakespeare's English is dramatically different from today's just 400 years later.