The international date line marks the "line of demarcation" which separates two consecutive calendar dates.West of the line and you've moved forward a day. Established in 1884, the line actually ...

On May 4, 1493, Pope Alexander VI promulgated the Line of Demarcation, dividing the New World between Spain and Portugal in response the return of Christopher Columbus from his discovery of the ...

The Green Line. It was the line of demarcation that more than 60 years ago formed the de facto border between the new state of Israel and its Arab neighbors — Jordan, Lebanon, Syria and Egypt ...