History of the Republic of Venice were little compensation. This was the last war of the Republic with Turkey. The decline of Venice in the 18th century was also due not only to Genoa, Venice's old rival, but also to Livorno, a new port on the Tyrrhenian Sea created by the grand dukes of Tuscany and chosen as staging-post for British trade in the Mediterranean. Still more injurious were the Papal town of Ancona and Habsburg Trieste, a free port since 1719, in the Adriatic Sea, which no longer constituted a "Venetian Gulf". An eminent Venetian politician of the time declared, "Apart from the residue which
Geology of the North Sea The sea level is to higher than present day levels. In northwestern Europe, chalk deposits from the Upper Cretaceous are characteristic for the Chalk Group, which forms the white cliffs of Dover on the south coast of England and similar cliffs on the French Normandian coast. The group is found in England, northern France, the low countries, northern Germany, Denmark and in the subsurface of the southern part of the North Sea. Stagnation of deep sea currents in middle Cretaceous times caused anoxic circumstances in the sea water. In many places around the world, dark anoxic shales were formed during