Timeline JS is an open-source tool that enables you to build visually-rich interactive timelines and is available in 40 languages.
Preceden is an online tool for creating interactive text-based timelines. Users can enter a title, date, and description for each event, which is added with a dot on the timeline.
Sutori‘s online timeline software helps teachers and students create interactive timelines for assignments that can be viewed in a web browser.
Tips & tricks
Keep it short. We recommend not having more than 20 slides for a reader to click through.
Pick stories that have a strong chronological narrative. It does not work well for stories that need to jump around in the timeline.
Write each event as a part of a larger narrative.
Include events that build up to major occurrences — not just the major events.
Political geography, demographics/history about both the DRC and the Republic of Congo.