International Date Line in the Yahoo! Directory

About.com: International Date Line
Offers an explanation of how the line at 180° longitude works.
geography.about.com/library/weekly/aa060898.htm
Greenwich 2000: International Meridian Conference 1884
Recounts the principles established at the conference, as well as listing delegates to the meeting.
www.greenwich2000.co.uk/millennium/info/conference.htm
History of the International Date Line, A
Examines the history of the line created in response to the circumnavigator's paradox, from observations made during Magellen's voyage around the world, to the 1884 International Meridian Conference and more recent adjustments.
www.phys.uu.nl/~vgent/idl/idl.htm
International Dateline, The
One man offers his explanation of how the dateline works.
www.vistech.net/users/rsturge/dateline.html
Sailing thru Science... International Date Line
Illustrated explanation of the Meridian Line
www.goals.com/sailscin/dateline.htm