Can I contest a speeding ticket if the incoorect date was specified on the ticket?:)

First its not a good idea to piggyback your question on someone else's. This can lead to confusion. You should start a new thread. So I've moved your question to its own thread.

This is a more material error. For example if you can prove that you were not in the place where the ticket was issued at the time specified on the ticket you might just get off.