J. H. Kurtz, Church History, Volume 2 (of 3…
“ The higher clergy, who possessed two-thirds of the land, had continuously conspired in favour of Denmark. The Archbishop of Upsala, Gustavus Trolle, fell out with the chancellor, Sten Sture, and was deposed. Pope Leo X. pronounced the ban and interdict against Sweden. Christian II. of Denmark conquered the country in A.D. 1520, and in the frightful massacre of Stockholm during the coronation festivities, in spite of his sworn assurances, 600 of the noblest in the land, marked out by the archbishop as enemies of Denmark, were slain. ”
