Marsala the area has been conquered by Norman, Angevin and Aragonese troops. During this time, Marsala became wealthy, primarily through trade. However the blocking up of the harbour of Punta Alga, decreed by Emperor Charles V so as to stop Saracen forays, brought an end to this period of prosperity. The development of Marsala wine at the end of the 18th century, headed by English merchants settled in Sicily, considerably improved local trade. This triggered an economic expansion in Marsala, including the funding of infrastructure projects such as the current harbour of Margitello. On 11 May 1860 Giuseppe Garibaldi landed at
Vilkitsky Island (Kara Sea) Sea. Vilkitsky Island is bleak and windswept and is covered with tundra. The island is crescent-shaped and it is divided in two by a narrow sound in its midst. It is 42 km in length but only 12 km wide at its broadest zone. The sea surrounding this island is covered with pack ice in the winter and there are numerous ice floes even in the summer. There is a large shallow area between Vilkitsky Island and its southern neighbor, Neupokoyev Island (Остров Неупокоева), named after Konstantin Neupokoev (1884—1924), a naval officer, hydrographer and explorer of the Russian Hydrographic Service