During the first years of his reign, Louis launched a crusade against the Lithuanians and restored royal power in Croatia; his troops defeated a Tatar army, expanding his authority towards the Black Sea.
Selama tahun-tahun pertama pemerintahannya, Lajos melancarkan perang salib melawan Bangsa Lituania dan mengembalikan kerajaan di Kroasia; pasukannya mengalahkan tentara Tatar, memperluas kekuasaannya atas Laut Hitam.