1984 Appendix
Newspeak is devised to meet the ideological needs of English Socialism (Ingsoc).
"The purpose of Newspeak was not only to provide a medium of expression for the world-view and mental habits proper to the devotees of Ingsoc, but to make all other modes of thought impossible." Appendix, pg. 303
It is scheduled to be finally adopted for all speech and writing by 2050.