What people forget about history is the very selectivity of historical fact. What is currently accepted as fact and how that has changed through the years, there is a whole field of history that deals with the changing views of history historiography.
The very inclusion of some facts and the exclusion of other facts are what most groups complain about what is taught our children today. But you cant included all the facts in any age level history text. The age of the student presents limits. The younger child made not understand, be able to read well enough, have the attention span, or the ti