* Astronomy

Irish archaeoastronomer Paul Griffin has announced the confirmation of the world's oldest known solar eclipse recorded in stone, substantially older than the recordings made in 2800 BC by Chinese astronomers. This finding was made at the world's oldest lunar eclipse tracking multi cairn site at the Loughcrew Cairn L Megalithic Monument in Ireland, and corresponds to a solar eclipse which occurred on November 30, 3340 BC, calculated with The Digital Universe astronomy software.

The possibility of an eclipse was first discovered in 1999 by Mr. Griffin and posted to his web site in 2000. Subsequent improvements in astronomical software has indicated that this eclipse obscured nearly 100% of the solar disc and was visible in the late afternoon just before sunset.
The Irish Neolithics used a 4044.5 day lunar eclipse cycle which is broken up into 365 days x 11 years + 29.5 days (synodic lunar month). This is also similar to a Tritos/Nova Lunation combination of one Tritos cycle of 3986.63 days and two nova lunations of 29.53 days each, yielding a total of 4045.69 days.
The Irish Neolithic astronomer priests at this site recorded events on 3 stones relating to the eclipse as seen from that location. This is the only eclipse that fits these petroglyphs out of 92 solar eclipses tracked by the discoverer.

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Latitude: 53.744010N Longitude: 7.114095W