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Is the Information Still Valid?

Things to Consider:

Some information remains valid over time for certain subject areas. The Bill of Rights (the first 10 amendments to the Constitution) is an example of a document which is still valid after 200 years. 		[fragment of Bill of Rights]
Fragment of the earliest known draft of the
Bill of Rights
[animated map]
Maps made between 1945 and 1990 show that Germany used to be two countries, East Germany and West Germany 		Sometimes, information may become discredited or obsolete. For example, older maps may not reflect geopolitical changes that have occurred.
In other cases, information may be periodically revised. [covers of two editions - The Free and the Unfree]
First
Edition		 Second
Edition

Chapter 5, Page 9

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