Template:Timeline/doc

Usage
As used on Timeline of United States history (1970–1989):

Produces:

Template Data
{   "description": "Generates a timeline navigation box", "params": { "title": { "label": "title", "description": "Title to appear, can be wiki-linked. e.g. 'Timeline of United States history'.", "type": "string/line", "required": true },       "before": { "label": "before", "description": "Previous date range, can be wiki-linked. e.g. '1950–1969'", "type": "string/line", "required": true },       "years": { "label": "years", "description": "date range for this article, can be wiki-linked. e.g. 1970–1989", "type": "string/line", "required": true },       "after": { "label": "after", "description": "Following date range, can be wiki-linked. e.g. '1990–present'", "type": "string/line", "required": true }   } }