On July 5, 1973, Major Juvénal Habyarimana, a 36-year-old army officer, overthrew Rwanda's president Grégoire Kayibanda in a swift, non-violent military coup. Habyarimana, who would become known by his Kinyarwanda nickname Kinani (meaning "invincible"), consolidated power rapidly and declared himself president of the small East African nation. He dismantled the existing government structures, suspended the constitution, and established a military regime that would last for the next two decades. The coup encountered virtually no armed resistance, a striking contrast to the violent upheavals that had marked Rwanda's early years of independence.

Habyarimana's rise reflected deep tensions within Rwandan society. Kayibanda's government had grown unstable and unpopular, weakened by economic stagnation and mounting ethnic divisions. Habyarimana, a Hutu from the northern region of Gisenyi, positioned himself as a modernizer who could restore order and development. Upon taking office, he promised to eliminate corruption, promote national unity, and accelerate economic growth. He initially restricted press freedom and banned political parties, consolidating authoritarian control under the banner of stability and national development.

His regime would prove consequential and deeply consequential for Rwanda's future. Habyarimana ruled for 21 years, modernizing infrastructure and increasing agricultural productivity, yet simultaneously deepening ethnic tensions and consolidating Hutu dominance in a nation with a significant Tutsi minority. His autocratic style, combined with the exclusionary policies he enacted, created the conditions for the horrific conflict that would explode after his assassination in April 1994. The plane crash that killed him and Burundian president Cyprien Ntaryamira became the immediate trigger for the Rwandan genocide, in which nearly one million people died in just 100 days. Habyarimana's 21-year dictatorship, which began so quietly on this July day in 1973, thus set the stage for one of the late twentieth century's greatest humanitarian catastrophes.