A shekara ta 1845, matashin jarumi, mai dabarun yaki, kuma mai magana da yawun Tāufaʻāhau ya haɗu da Tonga a cikin masarauta. Ya riƙe babban taken Tuʻi Kanokupolu, amma 'yan mishan na Methodist sun yi masa baftisma da sunan Siaosi ("George") a 1831. A shekara ta 1875, tare da taimakon mishan Shirley Waldemar Baker, ya ayyana Tonga a matsayin masarauta mai bin tsarin mulki; a hukumance ya karɓi salon sarauta na yamma; ya 'yantar da " bayi "; ya ba da doka, mallakar ƙasa, da' yancin 'yan jarida; kuma ya iyakance ikon shugabanni. Tambaya: A wace shekara ce Taufa'a, Tu'i Kanokupolu, ya ayyana Tonga a matsayin masarauta mai bin tsarin mulki?
Shekaru 1875