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Martin Brennan 2007
Martin Brennan 2007  
The Boyne Valley Calendar

In this book, The Boyne Valley Vision, published by the Dolmen Press, Martin Brennan provided a decipherment of the megalithic calendar incised some five thousand years ago on a large kerbstone at Knowth in the Boyne Valley. This amazing device shows the method of computing dates in those remote times, and may be the earliest calendar known to man.

This scientific tool from the oldest culture known to us traces the moon through its monthly phases, the occurrences of the vernal and autumnal equinoxes and the relationship of the lunar and solar cycles which is the basis for calendar computation.

The Boyne Valley Calendar has now been issued as a separate wall chart, printed in three colours on a fine heavy weight cartridge paper, size 20 x 15 inches (51 x 38 cms), suitable for framing. There are two reproductions from drawings by Martin Brennan and an explanatory text.

Price £1.60 net (£2 inc. VAT in the Republic of Ireland), Postage extra

The Lodge, Mountrath, Portlaoise, Ireland.
May 1980

Boyne Valley Private Day Tours

Boyne Valley Tours Pick up and return to your accommodation or cruise ship. Suggested day tour: Newgrange World Heritage site, 10th century High Crosses at Monasterboice, Hill of Tara the seat of the High Kings of Ireland and the Hill of Slane where St. Patrick let a Paschal fire in 433  More ...