A major exhibition entitled 'Power of Faith – 450 Years of the Heidelberg Catechism' opens at the Palatinate Museum and Heidelberg Castle on 12 May 2013. The exhibition celebrating the appearance of this important confessional document of the Reformed Church will run until 15 September 2013. Accompanying events will shed light on the impact of the Heidelberg Catechism both at the time when it was written and in the present day.