# Tonnerre

> commune in Yonne, France

**Wikidata**: [Q498854](https://www.wikidata.org/wiki/Q498854)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tonnerre,_Yonne)  
**Source**: https://4ort.xyz/entity/tonnerre

## Summary
Tonnerre is a commune located in the Yonne department within the Bourgogne-Franche-Comté region of north-central France. It serves as the administrative center for the canton of Tonnerre and is historically significant as the site of the former County of Tonnerre. The town is geographically defined by its coordinates at 47.855277777778° N, 3.9733333333333° E and is home to the Fosse Dionne, a notable karst spring.

## Key Facts
- **Entity Type**: Commune in France (territorial subdivision for municipalities).
- **Location**: Yonne department, France.
- **Administrative Division**: Part of the arrondissement of Avallon.
- **Canton**: Seat of the canton of Tonnerre.
- **Historical Predecessor**: Site of the County of Tonnerre (inception: 801 AD).
- **Coordinates**: Latitude 47.855277777778, Longitude 3.9733333333333.
- **Population History**: Recorded figures include 4,910, 4,736, 4,966, 4,575, 4,478, 4,381, 4,345, 4,301, 4,268, and 4,261.
- **Official Website**: http://www.ville-tonnerre.com.
- **Notable Landmark**: Fosse Dionne (a karst spring).
- **Transport Infrastructure**: Gare de Tonnerre (railway station).
- **Country Context**: Located in France, a country with inception dates of 843 (West Francia), 481 (Francia), and 1804 (First French Empire).
- **Department Inception**: Yonne department established on March 4, 1790.
- **Wikipedia Title**: Tonnerre, Yonne.
- **Sitelink Count**: 47 (Wikidata).

## FAQs
**What is the administrative status of Tonnerre within France?**
Tonnerre functions as a commune, which is the lowest level of administrative division in the French Republic. It is situated within the Yonne department and falls under the jurisdiction of the arrondissement of Avallon.

**What historical entities are associated with the location of Tonnerre?**
The town was historically the center of the County of Tonnerre, which originated around the year 801. It is also the namesake and seat of the modern canton of Tonnerre.

**What are the key geographical and infrastructural features of the commune?**
Tonnerre is located at specific coordinates of 47.855277777778° N and 3.9733333333333° E. The area features the Fosse Dionne, a significant karst spring, and contains the Gare de Tonnerre, a railway station serving the region.

**How has the population of Tonnerre fluctuated over time?**
Demographic records for the commune show a range of population figures, including 4,910, 4,736, 4,966, 4,575, 4,478, 4,381, 4,345, 4,301, 4,268, and 4,261. These numbers reflect historical census data available in the source material.

## Why It Matters
Tonnerre matters as a preserved example of French communal administration and a historical hub within the Yonne department. Its significance lies in its continuity from the medieval County of Tonnerre to its current status as a canton seat, illustrating the evolution of French territorial organization since the department's creation in 1790. The commune is a focal point for regional geography due to the Fosse Dionne, a unique natural phenomenon that attracts scientific and tourist interest. Furthermore, its infrastructure, including the Gare de Tonnerre, connects it to the broader French railway network, maintaining its role as a local transit node.

## Notable For
- **Historical Continuity**: Successor to the County of Tonnerre, established in 801 AD.
- **Natural Feature**: Home to the Fosse Dionne, a prominent karst spring.
- **Administrative Role**: Serves as the seat of the canton of Tonnerre.
- **Transport Hub**: Location of the Gare de Tonnerre railway station.
- **Geographic Precision**: Defined by exact coordinates of 47.855277777778° N, 3.9733333333333° E.
- **Demographic Data**: Possesses a detailed historical population record ranging from 4,261 to 4,966.
- **Digital Presence**: Maintains an official municipal website at http://www.ville-tonnerre.com.
- **Regional Context**: Part of the arrondissement of Avallon within the Yonne department.

## Body

### Administrative and Political Structure
Tonnerre operates as a commune, the fundamental unit of local government in France. It is situated within the Yonne department, which was established on March 4, 1790, as part of the reorganization of French territory following the French Revolution. Administratively, the commune belongs to the arrondissement of Avallon. It also functions as the central hub for the canton of Tonnerre, a subdivision used for electoral and administrative purposes. The entity is linked to the broader context of the French Republic, a country with a complex inception history involving West Francia (843), Francia (481), and the First French Empire (1804).

### Historical Context
The history of the area is deeply rooted in the medieval period, specifically through the County of Tonnerre. This historical entity traces its inception back to the year 801. The transition from the medieval county to the modern commune reflects the long-term political evolution of the region. The establishment of the Yonne department in 1790 further solidified the area's place within the modern French state structure. The entity is recognized in historical records as a distinct territorial subdivision that has persisted through various regime changes in France.

### Geography and Natural Features
Geographically, Tonnerre is located at latitude 47.855277777778 and longitude 3.9733333333333. A defining natural feature of the commune is the Fosse Dionne, classified as a karst spring. This geological formation is a significant landmark within the territory. The commune's location in the Yonne department places it within the broader landscape of north-central France. The area's physical characteristics contribute to its identity and are distinct from other communes in the region.

### Infrastructure and Connectivity
The commune is connected to the national transport network via the Gare de Tonnerre, a railway station located within its boundaries. This station facilitates travel and commerce, linking the town to other parts of France. The existence of this infrastructure highlights the town's role as a local node in the national transit system. The official digital presence of the commune is maintained through the website http://www.ville-tonnerre.com, providing information and services to residents and visitors.

### Demographics and Population Trends
Population data for Tonnerre reveals a series of recorded figures over time, indicating demographic shifts. The recorded population values include 4,910, 4,736, 4,966, 4,575, 4,478, 4,381, 4,345, 4,301, 4,268, and 4,261. These figures provide a historical snapshot of the commune's size and growth patterns. The data suggests fluctuations in population, reflecting broader social and economic trends affecting the region.

### Digital and Informational Presence
Tonnerre has a significant presence in digital knowledge bases, with a sitelink count of 47 on Wikidata. The Wikipedia title for the entity is "Tonnerre, Yonne," distinguishing it from other places with similar names. The entity is classified under the "commune of France" category, which has an inception date of 1789. This classification underscores its status as a standard municipal entity within the French administrative framework. The detailed metadata associated with the entity ensures its accurate identification and retrieval in knowledge systems.

## References

1. [Sandre](https://www.sandre.eaufrance.fr/geo/CoursEau/F3--0210)
2. Virtual International Authority File
3. BnF authorities
4. dataset of postal codes in France. 2018
5. INSEE code
6. répertoire géographique des communes
7. Freebase Data Dumps. 2013
8. Czech National Authority Database
9. Annuaire de service-public.fr
10. MusicBrainz
11. Recensement de la population 2015. National Institute of Statistics and Economic Studies. 2017
12. Populations légales 2016
13. Populations légales 2017
14. Populations légales 2018
15. Populations légales 2019
16. Populations légales 2020
17. Populations légales 2021
18. Populations de référence 2022
19. Populations de référence 2023
20. [Code officiel géographique. 2017](https://www.insee.fr/fr/information/2560698)
21. [Code officiel géographique](https://www.insee.fr/fr/information/3363419)
22. National Institute of Statistics and Economic Studies
23. GeoNames
24. [répertoire géographique des communes. 2015](https://wxs-telechargement.ign.fr/83edtfdyqte031y0ra49d2e3/telechargement/inspire/RGC-2015-01$RGC2015/file/RGC2015.7z)
25. [2016](https://data.geopf.fr/telechargement/download/GEOFLA/GEOFLA_2-2_COMMUNE_SHP_LAMB93_FXX_2016-06-28/GEOFLA_2-2_COMMUNE_SHP_LAMB93_FXX_2016-06-28.7z)
26. [archINFORM](https://www.archinform.net/service/wd_aiort.php)
27. National Library of Israel Names and Subjects Authority File