yet more pointless crap
st. patrick - a man who played a small part in bringing christianity to ireland. he's really called Maewyn Succat, and is english or scottish but certanly not irish. he went to france and became a priest, and then went to ireland to convert the pagans after having a dream about taking god to ireland (serious lack of ambition!). what's funny is centuries later when other brits tried the same thing with their new protestant brand of christianity the irish were far less welcoming. they seemed happy to buy the first version but didnt want the updates later. if religion was done by microsoft it would have happened differently i'm sure.
st. george - he was born in Turkey in about 280 AD. He enlisted into the Cavalry of the Roman Army at the age of 17 and quickly achieved the rank of Millenary or Tribunus Militum (Colonel). Emperor Diocletian of the time did not like Christianity (this is before it had been sold to the romans) so he had a tendency to kill Christians. St George converted to christianity and decided to try and stop Emperor Diocletian giving christians harsh treatment. For this he was imprisoned and eventually beheaded in 303AD (what an idiot!). he never went to england, had nothing to do with england, died long before england had converted to christianity, and it was only in the year 1415 AD that St. George became the Patron Saint of England when english soldiers under Henry V won the battle of Agincourt (apparently the soldier's bravery was comparable to st. george's bravery centuries earlier when he tried to reason with Emperor Diocletian

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st andrew - one of the 12 apostles (disciples of Jesus). from Israel. since the apostles are known to have never existed we can be sure st. andrew did not exist, and even if he did, he could not have been called andrew since names like andrew did not exist in that part of the world. he is known for spreading the tenets of christianity though Asia Minor and Greece. tradition suggests that St. Andrew was put to death by the Romans in Patras, Southern Greece by being crucified. The diagonal shape of this cross is said to be the basis for the Cross of St. Andrew which appears on the Scottish Flag. his remains were brought to scotland either by St. Rule or Acca the Bishop of Hexham and put in a chapel. This chapel was replaced by the Cathedral of St. Andrews in 1160.
st david (Dewi Sant) - a Celtic monk, abbot and bishop, who lived in the sixth century. he was the archbishop of Wales, one of many early saints who helped to spread Christianity among the pagan Celtic tribes of western Britain. It is claimed he lived for over 100 years, did more amazing things than jesus, and generally very few things known about him can be proven. however he was welsh, he was a helpful guy, he was very much the welsh jesus, so i guess he's the perfect candidate for a patron saint.
its all lies and legends, but at least st. david is a real guy who was welsh.