*
لا إله إلا الله محمد رسول الله.

I know this is really picky...but could you please add a full stop too...

Is this ok now?

yup, perfect...thank you :)

Do all of the translations really match?

It seems that at least some of them (Russian?) are in fact adaptations, not translations.

The English says:
There is no god but God, and Muhammad is the messenger of God.

The Russian says:
There is no Diety worth worshipping, but Allah, and Muhammed is [the] messenger of Allah.

The Ukrainian says:
There is no God but Allah, and Muhammad is His messenger.

The Belarusian says:
There is no God but Allah and Muhammad is his messenger.

Polish even has 2 translations:
There is no god exept the Only God/Allah, and Muhammad is his prophet.

IMHO they're all possible translations...assuming they're all linked only to the arabic...

that's right. I found these translations in the Internet. For example Wikipedia has many of them, and it seems to me that in different languages, there are traditional translations of Shahada. Some of them may not be literal.

By the way, are you sure they are old enough?

If they're not public domain, you can't add them on Tatoeba.
And please add a comma before i in Belarusian. ^^

well... I'm not sure if this can be protected by copyright. The Polish translation of Qur'an, for example, is more than 150 years old.

Which one? :)

The oldest one, where the first Polish sentence comes from