Thales' prediction
Pliny the Elder, The Natural History, BOOK II. AN ACCOUNT OF THE WORLD AND THE ELEMENTS., CHAP. 9. (12.)—AN ACCOUNT OF THE OBSERVATIONS THAT HAVE BEEN MADE ON THE HEAVENS BY DIFFERENT INDIVIDUALS.
http://www.perseus.tufts.edu/hopper/text?doc=Plin.+Nat.+2.9&fromdoc=Perseus%3Atext%3A1999.02.0137Pliny the Elder - Wikipedia
https://en.wikipedia.org/wiki/Pliny_the_ElderM. Tullius Cicero, Divination, Divination Book I, section 112
http://www.perseus.tufts.edu/hopper/text?doc=Cic.+Div.+1.112&fromdoc=Perseus%3Atext%3A2007.01.0043Cicero - Wikipedia
https://en.wikipedia.org/wiki/Cicero
Eclipse of Thales
Astronomical year numbering - Wikipedia
https://en.wikipedia.org/wiki/Astronomical_year_numberingProleptic Julian calendar - Wikipedia
https://en.wikipedia.org/wiki/Proleptic_Julian_calendar1997JHA....28..279S Page 279
http://articles.adsabs.harvard.edu//full/1997JHA....28..279S/0000279.000.htmlHighBeam Research - Wikipedia
https://en.wikipedia.org/wiki/HighBeam_Researchhttps://web.archive.org/web/20140611123359/http://www.highbeam.com/doc/1P2-4000661.html
https://web.archive.org/web/20140611123359/http://www.highbeam.com/doc/1P2-4000661.html