<https://www.hlavnespravy.sk/berlin-si-pripomenul-50-vyrocie-slavneho-prejavu-johna-f-kennedyho/113362#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.hlavnespravy.sk/berlin-si-pripomenul-50-vyrocie-slavneho-prejavu-johna-f-kennedyho/113362>