Aclens
Origin of the name Aclens
First written mention in 1002 in the form «Astlegus». The origin of the name is not explained by the sources consulted.
Founding of Aclens
The area has been occupied since Roman times: in 1984 a few well-preserved walls of a Roman building were discovered at the place called En Joux, away from the present village. In the Middle Ages the municipal territory included the village of Aclens and two villages that have since disappeared, Chibi, where the parish church stood, and Saint-Christophe. None of the sources consulted says who founded the village or when. The lordship of Aclens was split off from that of Cossonay.
History of Aclens
Roman period. A Roman building stands at the place called En Joux, away from the present village.
1002. First mention of the place in the form «Astlegus».
Middle Ages. The territory includes Aclens and the vanished villages of Chibi, seat of the parish church, and Saint-Christophe.
1410. The lordship of Aclens, split off from that of Cossonay, is joined to that of Vullierens; it remains so until 1665.
1416. The village has 28 hearths (households); the archives mention a great fire that year (to be cross-checked).
1536. With the Reformation, Aclens belongs to the parish of Vullierens.
1539-1798. Under Bernese rule, Aclens belongs to the bailiwick of Morges; the village is governed by a Council of Twelve.
early 17th century. The Choc mill on the Venoge is already mentioned; it long remains the village's only industry.
1675. The town of Morges buys the lordship of Aclens, which also includes Romanel and Bremblens, with a castellany court of twelve members.
1740. Construction of the village chapel (temple).
1798. Aclens becomes part of the district of Morges.
1829. Aclens becomes an annex of the parish of Vullierens; the bell tower is built.
1949. Land consolidation.
1984. Discovery of the walls of a Roman building at the place called En Joux.
from the 1960s. Development of the industrial zone on the Venoge plain.
2000. The municipality has 363 inhabitants.
Population of Aclens
| 1416 | 28 hearths (households) |
| 1764 | 233 |
| 1850 | 368 |
| 1900 | 309 |
| 1950 | 268 |
| 1970 | 192 |
| 2000 | 363 |
| 2025 | 609 |
Historic sites in Aclens
Aclens church (temple). Chapel built in 1740, given a bell tower in 1829. The interior, restored in 1935, has Art Nouveau decoration; the chancel windows are signed CR (Casimir Reymond) (to be cross-checked).
Choc mill. Mill on the Venoge, mentioned from the early 17th century, long the only industry of this farming village.
Remains in Aclens
Roman building at En Joux. A few well-preserved walls of a Roman building uncovered in 1984 at the place called En Joux; the overall layout of the building remains unknown.
Vanished villages of Chibi and Saint-Christophe. Two medieval villages, now vanished, lay within the municipal territory; Chibi had the parish church.
Sources
- Dictionnaire historique de la Suisse, « Aclens »
- Wikipédia, « Aclens »
- Statistique Vaud, « Population résidante permanente au 31 décembre 2025 »
Other villages near Aclens
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