A Hutu, he attended the Groupe Scolaire de Astrida from 1952 to 1958, where he was bullied by some Tutsi students due to his ethnicity.
[1] In February 1965 Nyangoma was recalled to Burundi and made chef de cabinet for Prime Minister Joseph Bamina.
On 1 July, the third anniversary of Burundian independence, he delivered a speech at Rwagasore Stadium in which he accused the crown of creating "governmental instability, administrative anarchy, and political chaos".
"[2] While discussions on the creation of a new government took place in wake of the elections, Nyangoma offered himself as a candidate to be named prime minister.
[7] Late in the night of 18 October 1965, a group of Hutu gendarmes and soldiers attempted a coup, attacking the Mwami's palace and wounding Biha, but ultimately failing to seize power.