On 31st October 1517, Martin Luther, a professor of moral theology at the University of Wittenberg in Germany, posted 95 theses on the door of All Saints Church. They were his arguments against what he viewed as corrupt practices in the Catholic church.

This act is now considered the start of the Protestant Reformation.

500 years on, the following reminders are offered in a similar spirit: indulgences to help you avoid sin — or not.

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