on Patched Historical Atlas

Keyboard Shortcuts

, / . (or LeftArrow / RightArrow): move backward/forward 10 years
- with Shift: jump 100 years
- with Ctrl: previous/next year
[ / ]: previous/next year
Home / 0 / 1 / End: jump to the oldest year/1 A.D./1000 A.D./the newest year
Enter: input the year directly as if you clicked the year at the top right
h / j / k / l (and y / u / b / n): scroll
z / Z (or z / x or i / o): zoom in/out
Ctrl-Space: put the "current view" to the browser history so that you can go back to it later by Back button of the browser
d: duplicate tab
C / D / Y: open Wikipedia for this century/decade/year (Only Japanese is supported at present.)
Ctrl-Shift-a / Esc: toggle/stop auto
Ctrl + ( / | / ): accelerate/reset/reduce auto speed
?: help

Two-finger swipe for year navigation (horizontal = slow, vertical = fast, along edge = very fast). Ensure to keep fingers together, never spread them apart.
Three-finger tap to hide/show buttons.
Drag the mouse vertically from the year bar beyond the top of the viewport to cycle through the available year scale modes. (experimal)