
By Bernd Biege
             
Ireland Travel Expert, about.com              
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Round towers have provided food for thought both for academics and 
amateur antiquarians over the last centuries and the jury is still 
occasionally out on the finer points – but the most exotic theories as 
to their origin and purpose have been dispelled. So let us take a 
(light-hearted) look at what explanations people came up with, often ignoring Irish history while dreaming up their "explanations" ...
The Buddhist Phalli of Ireland?
One
 of the most far-fetched explanations for the impressive Irish erections
 was provided (or rather dreamt up) by the Orientalist Henry O'Brien in 
1832, totally hooked on Eastern culture and philosophy. In a long and 
winding treatise he came to the conclusion that the pillars of stone 
were the visible legacy of a phallo-centric Buddhist
 cult. According to O'Brien's version of history, Ireland once had an 
influx of Buddhist immigrants who raised the round towers as places of 
phallic worship. This happened before Saint Patrick, obviously.
Notwithstanding logic, missing evidence, and 
the simple fact that round towers were erected well past Patrick's time,
 the Royal Irish Academy granted O'Brien a price of £ 20 for his work.
The Danish Connection
To
 be honest, the Buddhist theory was not the first time a “foreign” 
background to the Irish round tower was suggested – in 1724 Thomas 
Molyneux published "A discourse concerning the Danish mounts, forts and 
towers". His theory in a nutshell: Danish Vikings
 built the round towers after arriving in Ireland. Again the time frame 
does not fit the theory, Viking invasions happened after the first round
 towers were built. And no hard facts support Molyneux' theory. In fact 
one blatantly obvious problem was conveniently overlooked. This being 
the non-existence of anything remotely resembling an Irish round tower 
anywhere in Denmark (or Northern Europe and Scandinavia in general).
Far-Advanced Ancient Architects
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 passing nod must go to other civilizations importing round towers into 
Ireland. Amongst which were "African Sea Kings" - the Phoenicians, the 
mysterious "sea peoples",
 and similar folk. While there may have been trade between Africa and 
Ireland, this still does not fit any historical time frame. "Ancient 
Astronauts" also got a foot in - after all, round towers bear an uncanny
 resemblance to a rocket, and in 1054 a "round tower made of fire" was 
seen over Meath. Does Erich von Däniken know more?And then there are the Zoroastrians.
 These fire-worshippers lit their sacred flames in Ireland too (some 
think), on the round towers they had especially built ... but 
unfortunately left no further trace of their stay. What connects these 
theories, apart from being on the lunatic fringe? The subtext: Irish 
builders could not have been able to construct the round towers without 
outside help.
Getting Away From It All
Early Irish 
Christianity certainly took on influences from the East and was 
different way to mainstream Roman Catholicism. The Irish ideal was a 
monastic, quiet live somewhere out of the way. Irish monks liked to be 
left alone and some may even have tried to emulate the stylites, living 
saints living on pillars. Hence the round tower was considered as a 
place where a stylite lived. Apart from missing evidence that anybody 
ever lived permanently in a round tower ... the very concept of an 
ascetic life as a stylite goes against this. A single man living in 
round tower would have been akin to modern hermit occupying the Empire 
State Building on his own (insert your favourite Howard Hughes joke here if you can't resist).
Is That the Time?
Sooner
 or later a cosmological explanation was bound to spring up – and the 
round tower as the centrepiece of a gigantic sundial makes at least some
 sense. Unfortunately no evidence of an actual “dial” matching this 
theory can be found. And it may well be asked whether a stick in the mud
 would not have served the same purpose for less cost and effort. On the
 other had the theory cannot be totally discarded: A monk in the upper 
chamber may well have kept an eye on the moving shadow of the tower and 
deducted the time of day from it. When the shadow falls on Brother Leo's
 grave, it is time for lunch. It seems to be preposterous, however, to 
suggest that the towers were built for this purpose.
Nearer My God to Thee
The
 same problem is faced by the fringe theory that the towers were built 
as vertical ossuaries, bone-houses. This seems to be supported by the 
skeletons found in some towers, but ... nowhere was a veritable mass of 
bones discovered, all finds were of small measure and without 
consistency. It is therefore more likely that these bones were the 
remains of people actually killed in the towers (some where burnt with 
occupants), of people interred before the foundations were laid or 
simply discarded bones from other graves. And there is always the 
possibility that a shrine was kept in the tower.
Early Warning System and Mighty Fortress
It
 is more than likely that the towers would have doubled up as 
observation platforms to warn the monks of approaching raiders, 
thunderstorms and tax collectors. If you have a tower, why not use it? 
But, again, nobody would have built a round tower just for this purpose.
 Closely connected to the look-out ist the theory of the round tower as a
 defensive structure. This likens the slim round tower to the more or 
less squat donjon of medieval castles. It falls down on purely practical
 grounds: missing arrow slits and other military details would have 
rendered the tower useless for that purpose. But there is another 
possibility ...
The Monks' Panic Room
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often seen as a safe refuge for monks – and this certainly was true at 
times, some annals tell of a dash for the tower with enemies 
approaching. Undoubtedly the round tower was the most massive part of a 
monastery, suggesting a safe haven. Unfortunately most annals continue 
to relate that the round tower was then burnt by the attackers, leading 
to the most unpleasant death of those seeking refuge therein. Round 
towers may have been a deterrent for the odd marauding band without 
ambitions. Those wanting to make a killing would simply have to light a 
decent fire and than wait until the chimney-like tower became a roaring 
furnace. Picking through the charred bones for molten gold would have 
been easy afterwards.
Squirrelling Away Treasures
Round 
towers were high and dry and it would have been a waste of space not to 
store some valuables in them. These would have been safe from the 
elements, rodents and even the odd passing thief. But not from 
determined raiders (see above). The occasionally heard theory that the 
round towers were a “hiding place” for valuables seems to be pure 
fallacy ... unless you define as a “hiding place” the only building a 
one-eyed and severely myopic Viking would be able to spot in fog and 
rain.
Occam's Razor? Multi-Purpose Bell Tower!
The Irish 
word for a round tower is ... cloicteach, literally “the house of the 
bell” and used in annals written when round towers were all the rage. 
Let us be blunt then in assuming that the round tower was a bell tower 
or “campanile”. Not only used to house a bell, but also used to ring it 
from the upper floor. Even small bells test-rung there can be heard from
 mile or more away. Though we have no evidence that a rope was used to 
ring the bell from the lower floors, this is not only possible but would
 have been the most practical way to go about it.
Unfortunately even the just applied Occam's razor
 won't cut to the chase here ... we simply do not know and it is 
unlikely that we'll ever find out. The Irish round tower is a unique 
piece of ecclesiastical architecture that only flourished in Ireland, 
that is sure. But who built the first one and whether it was inspired by
 vaguely similar European buildings, so your guess is as good as mine.
But I'd guess they were built by the Irish ...