rd of Vaud conquered the city by besieging it from both the land and the lake. They confirmed the town rights which had been granted to Nyon by Aymon of Prangins, and extended further rights and freedoms. It became one of the fourbonnes villes of Canton Vaud. In 1294, Louis I began to expand Nyon as a center of his power after Am�d�e granted his share of the conquest to Louis. He created a court and a mint, which minted coins for the lords of Vaud between 1286-1350. In 1323 Louis II, granted the so-called mountains of Nyon, i.e. pastures and forests in the area of Arzier and Saint-Cergue, to Nyon. In 1359 Nyon lost importance after Am�d�e VI acquired rights over the entire Vaud. In 1364 the town charter of Morges replaced the charter in Nyon. This change was reconfirmed in 1439. Under the new charter, the town gained greater self-sufficiency. The mint in Nyon reopened in 1430. In 1530 the Swiss Confederation invaded Vaud and acquired Nyon. Then in 1536, Nyon surrendered again to Bern without a fight as Bernese troops marched through to support Geneva.
Starting in 1323, the municipal government was composed of eight procurators and a mayor. A little later the government was replaced by a community meeting which was headed by two mayors (Syndics). The Town Hall is first mentioned in 1508.
A Benedictine priory was founded in the first half of the 12th Century in Nyon. In 1244 it was given to the Augustinian order. The last prior, before the Reformation in 1535 was Aymon de Gingins, who was also the abbot of Bonmont and the selected Bishop of Geneva.
In 1295-96, Louis I of Savoy, built a Franciscan monastery under the patronage of St. Francis, in which several members of the House of Savoy were buried. In 1530, Bern and Fribourg plundered the monastery for the first time, and Bern destroyed all the pictures of saints. In 1536, it was burned by the withdrawing Savoy garrison.
In 1110 Geneva granted authority over the church of Notre-Dame to
