What is the fine-grained topic of the following text: Cave de Fleurie dates back to the First World War when the women of the village tended the vines whilst the men were at the front line, the oldest co-operative in Beaujolais, Cave de Fleurie are responsible for making over a third of all AC Fleurie wine on behalf of its 320 members. Only return the topic.
Cave de Fleurie winery and its history