Short answers, pulled from the story.
On the 14th of June 1800, Napoleon commanded the French army in a battle against an Austrian force led by General Melas near the village of Spinetta Marengo in Piedmont, Italy. The battle was significant enough to give the village lasting historical fame. Every second Sunday in June, Spinetta Marengo still holds a costumed commemoration drawing international visitors.
Chicken Marengo is named after Spinetta Marengo, the Italian town near where Napoleon fought his 1800 battle. According to legend, Napoleon's chef created the dish from whatever few ingredients were available after the battle, using a sabre instead of a cooking knife.
The Spinetta Marengo chemical plant was founded in 1905 by the Societa di Marengo, a group of entrepreneurs from Alessandria. The 130-hectare site has employed up to 1,300 people. Since 2002, Solvay (now operating as Syensqo) has produced fluoropolymers, fluoroionomers, and fluoroelastomers there.
Testing by the Alessandria public prosecutor's office in 2012 found hexavalent chromium beneath the plant across 1,150 cubic meters within a three-kilometer radius. A criminal trial began in 2013, and managers from Ausimont and Solvay were convicted in 2019. PFAS contamination was also found, linked to statistically significant increases in melanoma, arterial hypertension, and lung, bladder, and kidney cancers.
The Marengo treasure is a collection of Roman objects unearthed by farmers in 1928 in a field near the village of Marengo. The items, dating from the second century, include a silver bust of the emperor Lucius Verus and a silver vase with acanthus-leaf decoration. They are held at the Museum of Antiquity in Turin, awaiting restoration.
The Marengo museum is housed in the Villa Delavo, a building inaugurated in 1847 and built by Antonio Delavo in Spinetta Marengo. It contains mural paintings, maps, videos, mannequins in period uniforms, and objects related to Napoleon and the 1800 battle. A pyramid inaugurated in May 2009 serves as the museum's symbol, echoing Napoleon's unfulfilled wish to build a pyramid honoring those who died at Marengo.