They know what day he was baptized (April 26, 1564)
and they know what day he died (April 23, 1616)...
his actual birthday is a bit tricky.
I think a Shakespeare "blog-a-thon" of sorts is in order.
Starting tonight (April 23) and running to Monday (April 26)
I will throw my Shakespeare thoughts your way.
I mean, The Bard deserves it.