The Anglican catechism which appeared in the first English Prayer Book of 1549 followed the traditional catechetical instruction of the Church since the early centuries. It, contained instruction on the Baptismal Creed, the Lord's Prayer and Ten Commandments. This was supplemented in the revised Prayer Book of 1662 with teaching on the sacraments of baptism and holy communion.
By far the majority of the several thousands of independent religious groups in Africa have not yet been descriptionbed in detailed and comprehensive studies. Two noteworthy exceptions are ""The Church of Christ on Earth through the Prophet Simon Kimbangu"" (Kimbanguist Church) centred in the Republic of Zaire and ""The Church of the Lord (Aladura)"", an independent church based in Nigeria. Most scholars with an intimate knowledge of these two particular movements seem to have no difficulty in identifying them as churches.
With his accession to the throne in 1559 Frederick III, Elector of the Palatinate, officially approved of the Reformation in his princedom. In 1562 he appointed a commission, consisting of certain professors and other learned men and assigned to them the task of drawing up a text-book on Reformed doctrine, which could be used in the church and schools in order to promote the teachings of the Reformation Zacharias Ursinus and Caspar Olevianus served on this commission and they became known as the two chief architects of the so-called Heidelberg Catechism.