 The first bilingual education programs of SIL started in Mexico and Guatemala in the 1930s, in Ecuador and Peru in the 1940s, and in Bolivia in 1955.The German Agency for technical cooperation (GTZ) played a role in supporting the creation of experimental bilingual education programs at the university level in Peru and Ecuador in cohesion with local governments in the early 1980s into the 1990s.More specifically, GTZ helped in the development of these programs at the level of training for primary school teachers, which supported a bilingual project with Spanish and Quechua or Aymara.