Simplify the following text for a Grade 8 native English-speaking person.
Original: It honors Leif Ericson ( Old Norse : Leifr EirÃ ksson or the Norwegian : `` Leiv Eiriksson '' ) , the Norse explorer who brought the first Europeans known to have set foot in North America .
Simplified: It honors Leif Ericson , the Norse explorer who brought the first Europeans known to have set foot in North America .