Complex sentence: Their affair caused a great scandal in 1849 when Victor Emanuel was crowned King of Sardinia, however, when his Queen died in 1855, the King named Rosa Countess of Mirafiori and Fontanafredda by royal decree in 1858.
Split into simpler sentences: Their affair caused a great scandal in 1849 when Victor Emanuel was crowned King of Sardinia. When his Queen died in 1855, the King named Rosa Countess of Mirafiori and Fontanafredda by royal decree in 1858.