Solera by the producers of sherry. In a Spanish sherry "solera", the vintner may transfer about a third of each barrel a year. A solera sherry has to be at least three years old when bottled. A quite similar process is called sostrera, used to produce fortified wines in the Mediterranean regions of France. In Sicily, where Marsala wine is made, the system is called "in perpetuum". Solera vinification is used in the making of Mavrodafni ("Black Laurel"), a fortified red dessert wine made in the Northern Peloponnese in Greece. Exceptional "Mavrodafni" vintages are released every 20 or 30 years: they
Fortified Sector of the Crusnes Fortified Sector of the Crusnes The Fortified Sector of the Crusnes ("Secteur Fortifiée de la Crusnes") was the French military organization that in 1940 controlled the section of the Maginot Line extending eastwards approximately from Longuyon. The sector roughly follows the valley of the Crusnes river. Crucially, the trace of the Maginot Line in the Crusnes sector is about "behind" the industrial city of Longwy which sits directly against the French borders with Belgium and Luxembourg. The Crusnes sector was one of the strongest Maginot Line sectors. It was attacked in 1940 by German forces in the Battle of France.