Tuhia he tomokanga mo tenei waahanga - I te tau 1815 i tae atu ia ki te Huihuinga o Vienna, ana i muri mai ka whakawhiwhia ki a ia hei kaitohutohu-nui ki te emepara, me tana kaiwhaiwhai a Nicholas, he nui te mana ki a ia. Na Nicholas ia i hanga hei Baron, a i muri mai ka kiia. I te tau 1820 ka riro ia hei rangatira mo te kaitohutohu matua, a, i te tau 1825 i awhina ia ki te whakakore i te tutu a Decembrist
He aha?