There's no real answer to your question, because we don't even know what the first language was yet! We know it was a very long time ago, and the first evidence of language dates back to cuneiform.
It is difficult to pinpoint an exact date for the creation of the first language as it occurred thousands of years ago through gradual evolution. The development of language is believed to have started around 50,000-100,000 years ago with early human ancestors using simple sounds and gestures to communicate.
Studies in Second Language Acquisition was first published in 1978.
The American Language was first published in 1919 by H.L. Mencken. It explores the development and unique characteristics of American English.
"A Key Into the Language of America" was created in 1643.
There is no definitive number of first names in the English language as it constantly evolves with new names being created and used. There are thousands of first names in common usage, with more being added over time.
The language in which the document was first written is not specified in the question.
Unix was created first. The C programming language was created for Unix.
The first English dictionary was created by Samuel Johnson and it was published in 1755. Johnson's dictionary was a landmark achievement in the standardization of the English language.
Language Mesh was created in 1959.
A Pattern Language was created in 1977.
Utopian language was created in 1516.
The Language of Flowers was created in 1872.
Speaking our Language was created in 1993.
Lost Language was created in 2000.
Studies in Language was created in 1977.
Unknown Language was created in 2005.
Bolak language was created in 1899.
The Language of Bees was created in 2009.