Complex sentence: The cabinet was changed on 15 February 1902 because of the death of Viggo Hørup and on 31 January 1904 when Hannes Hafstein took the post as Minister for Iceland as the first Icelander.
Split into simpler sentences: The cabinet was changed on 15 February 1902 because of the death of Viggo Hørup. The next change to the cabinet was on 31 January 1904 when Hannes Hafstein took the post as Minister for Iceland as the first Icelander.