Usage edit
How to manage this template's collapsible groups/sections option
- This template includes collapsible groups/sections. When it first appears, one of these groups/sections may be set to be visible ("expanded") while the others remain hidden ("collapsed") apart from their titlebars. To achieve this, include the parameter
|namewhere name is one of the following words that identify the groups/sections (omit any speech or quotation marks): "general", "1990s", "2000s", "2010s", "2020s" or "related"- For example:
{{Timeline of web browsers |2000s}}