Complex sentence: Malta Protectorate was officially part of the Kingdom of Sicily under British protection between the capitulation of the French forces in Malta in 1800 and the transformation of the islands to a crown colony in 1813.
Split into simpler sentences: Malta Protectorate was the political term for Malta because it was officially part of the Kingdom of Sicily, while under British protection. This protectorate happened between the capitulation of the French forces in Malta in 1800 and the transformation of the islands to a crown colony in 1813.