Cogimur jubente altissimo is a papal bull issued by Pope Sixtus IV on 8 April 1481 calling for a crusade against the Ottoman Empire.[1]
![](http://up.wiki.x.io/wikipedia/commons/thumb/9/9b/Tizian_Portrait_Papst_Sixtus_IV_ca._1545-46_Uffizien_Florenz-01_%28cropped%29.jpg/220px-Tizian_Portrait_Papst_Sixtus_IV_ca._1545-46_Uffizien_Florenz-01_%28cropped%29.jpg)
Sixtus granted indulgences to those who took part in the crusade and instituted a tithe to pay for it.[1] He also surrendered his own silver plate to fund the crusade.[1]
Notes
edit