Complex sentence: These first contacts with Iceland returned few visible results except for Holmfridur Arnadottir becoming a Bahá'í but by 1963 there was a registered group of Bahá'ís in Reykjavik including two American pioneers.
Split into simpler sentences: These first contacts with Iceland returned few visible results except for Holmfridur Arnadottir becoming a Bahá'í. By 1963 there was a registered group of Bahá'ís in Reykjavik including two American pioneers.