// todo need optimize like in event.jsp. Add indexing or not indexing this page. Ptolemy writes a manual on astronomy that is used for the next 1,400 years. (mar 1, 130 – may 31, 160) (Timeline)
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Ptolemy writes a manual on astronomy that is used for the next 1,400 years. (mar 1, 130 – may 31, 160)

Added to timeline:

16 Oct 2018

Date:

mar 1, 130
may 31, 160
~ 30 years