I was ambidexterous as a child, but was soon made to conform.
I was able to play a mean game of table tennis.
Here are a few interesting facts about 'lefties'.
There is also an interesting theory that religious intitutions did not want the right side of the brain to develope into higher learning.
Jill Bolty-Taylor made an interesting video about what happened to her when she had an aneurism in her left brain.