The word 'set' has 430 definitions in the Oxford English Dictionary — the most of any English word.

The Sumerian language, one of the earliest written, died as a spoken language around 2000 BC but continued as a liturgical language for centuries.

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

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

Machu Picchu was never discovered by Spanish conquistadors — it was abandoned around 1572 and remained unknown to the outside world until 1911.

The Hawaiian language has only 13 letters — 5 vowels and 8 consonants.

The English language adds about 1,000 new words every year.

Urdu and Hindi are mutually intelligible in speech but written in completely different scripts.

Noam Chomsky proposed humans have an innate 'universal grammar' — a built-in capacity for language.