20 ! mark ! 1492 christopher columbus reaches the americas 1512 spanish take the first african slaves to hispaniola 1519 cortés arrives in tenochtitlan 1521 cortés defeats the aztecs 1527 bartolome de las casas argues against enslavement of native americans 1535 pizarro founds a new capital in lima, peru, after defeating the incas 1590 john white returns to the roanoke settlement to find the colony has disappeared 1607 the english found jamestown 1608 champlain founds quebec 1619 house of burgesses formed 1620 the pilgrims arrive at plymouth 1634 mathias de sousa, an indentured servant of african descent, arrives in maryland aboard the ark. 1682 william penn establishes pennsylvania 1733 georgia, the 13th english colony, is founded for each event, write one to two sentences explaining why the event is an important historical event. you may include details about how the event impacted the different groups living in the americas. an event that benefited one group may have proven disastrous to another group.