From Pittsburgh Catholic-
The pope traveled in October to Sweden to an event commemorating the Reformation. The 16th-century Protestant Reformation began when in 1517 Martin Luther nailed his 95 theses on the door of All Saints Church in Wittenberg, Germany, separating from the Catholic Church. The event subsequently gave rise to a variety of Christian churches. It also led to violence on both sides.
On Jan. 18, the Anglican archbishops of Canterbury and York in England, while mentioning the blessings of the Reformation, also said the events surrounding it had caused "lasting damage done five centuries ago to the unity of the church, in defiance of the clear command of Jesus Christ to unity in love."
Root, the theologian at the Washington event, said that over the last century, Christian churches have experienced "a renewed commitment to the pursuit of a deeper unity with one another." While it's yielded fruits, it's also important to learn how to "live with the limitations of our pursuit of greater unity. The call to unity is not a call to ignore realities," he said.
Franciscan Father Larry Dunham, guardian of the Franciscan Monastery of the Holy Land, where the event was held, said the week's theme "Reconciliation: The Love of Christ Compels Us" is not only appropriate given current world and international events but also because this year marks the 500th anniversary of the Reformation.
More here-
http://www.pittsburghcatholic.org/News/Theologian--Christian-unity-possible-but-not-a--call-to-ignore-realities---27992661