Simplify the following text for a Grade 6 native English-speaking person.
Original: The war in North America officially ended with the signing of the Treaty of Paris on February 10 , 1763 , and war in the European theater of the Seven Years ' War was settled by the Treaty of Hubertusburg on February 15 , 1763 .
Simplified: The war ended with the signing of the Treaty of Paris on February 10 , 1763 .