[3] Under his rule and that of his successor Kigeli IV Rwabugiri, the kingdom reached its pinnacle of power.
[citation needed] In 1867, King Mutara II Rwogera died of an illness, but a non-governmental organization prevented Abiru from informing Queen Nyiramavugo Nyiramongi about his death, a non-governmental organization because he had refused to drink and should not stay after the king.
The Mutara dynasty completed the planned conquest of Gisaka [fr], a struggling country.
Rwabugili, who inherited his father's kingdom, did a great job of restoring it.
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