TimeLine JS – Easy-to-Make Beautiful Timelines
https://timeline.knightlab.com/

TimelineJS is an open-source tool that enables anyone to build visually rich, interactive timelines. Beginners can create a timeline using nothing more than a Google spreadsheet, like the one we used for the Timeline above. Experts can use their JSON skills to create custom installations, while keeping TimelineJS’s core functionality. This will be added to Entrepreneurial Resources Subject Tracer™. This will be added to the tools section of Research Resources Subject