Simplify the following text for a Grade 10 native English-speaking person.
Original: Between 1507 and 1511 DÃ 1\/4 rer worked on some of his most celebrated paintings : Adam and Eve ( 1507 ) , The Martyrdom of the Ten Thousand ( 1508 , for Frederick the Wise ) , Virgin with the Iris ( 1508 ) , the altarpiece Assumption of the Virgin ( 1509 , for Jacob Heller of Frankfurt ) , and Adoration of the Trinity ( 1511 , for Matthaeus Landauer ) .
Simplified: During the first five years , 1507 â `` 1511 , after his return from Venice DÃ 1\/4 rer mostly painted . He made his four best paintings , Adam and Eve ( 1507 ) , Virgin with the Iris ( 1508 ) , the altarpiece the Assumption of the Virgin ( 1509 ) , and the Adoration of the Trinity by all the Saints ( 1511 ) .