Two revolutions, 400 years apart, set in chain processes that claimed millions of lives.
In the early 1900s, a group of Protestants in the US attempted a reunion of Christianity. They failed, of course, but they prompted a new dialogue.
As well as his 95 Theses, Luther took on the awesome challenge of a new German translation of the Bible in which he set out to challenge both doctrinal and social beliefs.
Martin Luther's Reformation resulted in Henry VIII making law changes which are still having an effect on today's Brexit negotiations.
In the great reformer's eyes, if you didn't love a rousing tune you deserved only "the music of the pigs".
Historical accounts of Martin Luther skew or ignore debates about religion and make him hardly recognizable as a pastor and preacher. But his theology changed Europe.
Greed, guilt, fear, anger and love gave power to a spiritual movement that was catalysed 500 years ago this week.
Just what are we celebrating when we imagine an Augustinian friar nailing a document to a church door?
Martin Luther has always given the country a chance to examine itself. Half a millennium on, the picture is more complex than ever.
On the 500th anniversary of the Protestant Reformation, two scholars explain how Luther's personal and spiritual life contributed to his success.
Luther translated the Greek New Testament into a common German dialect that ordinary people could read, without help from clergy.
The Archbishops of Canterbury and York have called for repentence for the divisions caused by the schism between the Protestant and Catholic faiths.
The problem for Jacob Zuma’s political theology is that far too many members of South Africa's ruling ANC have been experiencing a dramatic loss of faith in a party they see as no longer righteous.