This is a little easter egg I heard of while listening to the Maccast podcast. There is a little Lord of the rings timeline calendar on your Mac.
If you load Terminal, you can do this via Spotlight (Command + Space) or Via Applications -> Utilities -> Terminal. Once loaded if you type:
This will then show you the timeline.
I am always interested in your thoughts so if you have any comments or feedback then please feel free to add any comments to the post, or you can mail me here.