The Diploma reference article from the English Wikipedia on 24-Apr-2004
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Diploma

Time you got around to sponsoring a child
A diploma (from Greek diploma) is a document issued by an educational institution like an university which testifies that the recipient has earned a degree or has successfully completed a particular course of study. (Note that in some countries, such as the United Kingdom and Australia, such a document is called a testamur.)

In some countries (such as Australia), a diploma is an academic award of lower rank that a degree.

In Germany and Austria the diploma is the standard academic degree, comparable with the Master's degree.