Today's globalized world presents challenges for formulating language education policies in multilingual countries, and postcolonial Nigeria presents a dramatic illustration because of ongoing colonial influences as well as neocolonial factors. This study focused on dialectical relations over time among languages in Nigeria's National Policy on Education (NPE), published in 1977, 1981, 1998, 2004, 2013, and 2014. The title of the study harks to Chinua Achebe's novel, Things Fall Apart, which described the disruption of tribal cultures and languages when Europeans brought their culture and language to Nigeria. Attention in this dissertation, which examined Nigerian education policy over four decades, was also on things falling apart, being resolved in some way, and then falling apart again. Four major dialectical tensions can be seen as the NPE went through revisions in language of instruction and language of study. First, relations between English and indigenous languages showed the increasing importance of English despite ostensible attempts to promote indigeneity through language. Particularly important was the influence of globalization, which emphasized neoliberal values and initiatives associated with global English. Second, relations among the various indigenous languages showed three languages—Hausa, Igbo, and Yoruba—to be privileged over 522 other languages that were marginalized but retained as "mother …