Simplify the following text for a Grade 5 native English-speaking person.
Original: Von Bellingshausen saw Antarctica on 27 January 1820 , three days before Bransfield sighted land , and ten months before Palmer did so in November 1820 .
Simplified: Von Bellingshausen saw Antarctica on 27 January 1820 . This was three days before Bransfield saw land , and ten months before Palmer did so in November 1820 .