Template:Motd/2009-12-28 (pl)

Przygotowania do pokonania bariery dźwięku i rekordowy lot Chucka Yeagera na samolocie Bell X-1 w 1947 roku

 Template:Motd/2009-12-28

This is the Polish translation of the Media of the day description page from 28 December 2009.

Descriptions in other languages:

• Motd/2009-12-28 (de)
• Motd/2009-12-28 (en)
• Motd/2009-12-28 (mk)
• Motd/2009-12-28 (pl)
• Motd/2009-12-28 (zh-hans)
• Motd/2009-12-28 (zh-hant)