<iframe> tag. Here’s an example:
<iframe src="https://cdn.knightlab.com/libs/timeline3/latest/embed/index.html?source=1V3qWm9X7e-5mmsi5P5ibBPh2_QyjlR4uqrL01yVxJ3E&font=Default&lang=en&initial_zoom=2&height=650" width="100%" height="650" frameborder="0"></iframe>
This code will embed a timeline created with TimelineJS into your Markdown document. You will need to modify the
src attribute to point to your own timeline data. Alternatively, you can use a Markdown extension like mermaid or markdown-timelines to add timeline functionality directly to your Markdown documents.
Keep in mind that not all Markdown rendering engines support HTML tags or extensions, so you may need to test your document in different environments to make sure that the timeline displays correctly.