What Happened in 1003
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- Mar 27 Peace deal signed between Henry II, Holy Roman Emperor and the pagan Wends (Slavs)
- May 12 Pope Sylvester II [Gerbert van Aurillac], French scholar and clergyman, 1st French Pope (999-1003), dies at about 57 [exact birthdate unknown]
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List of Years
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V