Definition of Louis I in English:

Louis I

proper noun

  • (1326–82), king of Hungary 1342–82 and of Poland 1370–82; known as Louis the Great. Under his rule Hungary became a powerful state; he fought two successful wars against Venice (1357–8; 1378–81), and the rulers of Serbia, Wallachia, Moldavia, and Bulgaria became his vassals.

Pronunciation:

Louis I

/ˈluːi/