First Russian Antarctic Expedition
In connection with Norwegian annexation of Peter I Island and the United States' suggestions on collective sovereignty over the whole continent in the 1930s and 1940s , a debate broke out about the precedence of Bellingshausen and Lazarev in having discovered the Antarctic continent . 
<triplet> Norwegian <subj> United States <obj> diplomatic relation <triplet> Peter I Island <subj> Norwegian <obj> territory claimed by <triplet> United States <subj> Norwegian <obj> diplomatic relation