The formal study of language began in India with Pāṇini , the 5th century BC grammarian who formulated 3,959 rules of Sanskrit morphology .
The study of language began in India with Pāṇini , the 5th century BC grammarian who wrote about the 3,959 rules of Sanskrit morphology , which described the different kinds of vowels and consonants Sanskrit had , as well as verb and noun classes .
The first widespread use of `` Palestinian '' as an endonym to refer to the nationalist concept of a Palestinian people by the local Arabic-speaking population of Palestine began prior to the outbreak of World War I , and the first demand for national independence was issued by the Syrian-Palestinian Congress on 21 September 1921 .