Complex sentence: St Paul's Pro-Cathedral is an Anglican pro-cathedral situated in Independence Square, Valletta, Malta, commissioned by the Dowager Queen Adelaide during a visit to Malta in the 19th Century when she found out that there was no place of Anglican worship on the island.
Split into simpler sentences: St Paul's Pro-Cathedral is an Anglican pro-cathedral situated in Independence Square, Valletta, Malta. The cathedral was commissioned by the Dowager Queen Adelaide during a visit to Malta in the 19th Century when she found out that there was no place of Anglican worship on the island.