High Quality Content by WIKIPEDIA articles! The Proto-Indo-European Urheimat hypotheses are designed to explain the origins of the Proto-Indo-European language and the people. The identity of the Proto-Indo-Europeans has been a recurring topic in Indo-European studies since the 19th century. Many hypotheses for an Urheimat have been proposed, but none of them has gained general acceptance among the linguistic community. As Mallory (1989:143) once put it: "One does not ask 'where is the Indo-European homeland?' but rather 'where do they put it now?'"