The date tells you whether the map needs to be replaced with a more up to date map. Humans are changing their environment all the time. New housing, new road layout, and so on. A newer map will show these newer changes .
So you know what distance equals a mile which varies map to map.
so we can live
why is a scale important
A date on a map could be when the map was surveyed, or published. It could also represent the date of a battle - the site often marked by a cross-sword symbol and the date.
Because things change over time and more things become newer and more is added having a map from 10 years ago would be point less because everything wouldn't be the same no matter what
US annexation, 7 July 1898 I didnt ask what the date what i asked why was the date so important
weather map is so important for us.with the help of weather map we can determine the average temperature and mean rainfall,climatic condition,movement of wind and the vegetation of a particular region
The map of Rome was important for the Romans because it showed the exact extension of the Empire. Since the Roman expansion was so vast, it was also helpful to travellers.
The compass directions are needed so that the map user has a reference. Otherwise it would require traveling in a known direction (e.g. west toward the afternoon sun) and comparing the locations on the map.
The geography of the Earth changes over time. Mapmaking also is revised constantly
no map pack 4
Usually on a flat map of the world the international date line is the left and right (west and east) edges of the map, but it is clearly marked on a globe.