Timeline categories
Click category headings to collapse or expand their rows. Previous/Next navigates all entries, including collapsed categories. Use the vertical scrollbar (or Shift + mouse wheel) for additional entries. Overlapping eras are displayed on separate rows. Scroll over the timeline to zoom toward your pointer. Hold the left mouse button and drag horizontally to travel through time. Left-click a dot or era band to view it on the right. Hover over an entry to preview its first image.