in Hungarian it's "feheruuaru rea meneh hodu utu rea" 'up the military road to Fehérvár' [and the first longer texts starts with "Latiatuc feleym zumtuchel mic vogmuc. yſa pur eſ chomuv uogmuc." 'You see, my brethren, with your eyes, what we are! Lo (and behold), we are dust and ashes.'],
in Finnish it's [according to Wikipedia] "Mynna tachton gernast spuho somen gelen Emyna dayda." 'I willingly want to speak Finnish, [but] I cannot', which i particularly liked.
what are the oldest preseved written records of other languages?
there is a page on Wikipedia, but maybe someone knows something more or something interesting. :)