NPR on the Reformation

The animosity and resentments left by the Reformation only began to heal after the Second Vatican Council in the 1960s, with the start of an ecumenical dialogue aimed at promoting Christian unity.

Source: NPR  -  National Public Radio, 28 Oct 2016, "The Pope Commemorates The Reformation That Split Western Christianity", http://www.npr.org/sections/parallels/2016/10/28/499587801/pope-francis-reaches-out-to-honor-the-man-who-splintered-christianity