Simplify the following text for a Grade 3 native English-speaking person.
Original: The last of those was published on February 6 , 2000 , six days before Schulz died . On February 13 , 2000 , the day following Schulz 's passing , the last ever Peanuts strip ran in papers .
Simplified: It started in 1950 and ended in 2000 when Schulz died .