Conversation so far:
What happened in the 17th century?
New Amsterdam was founded in 1624 by the Dutch.
Where was New Amsterdam?
would later become New York City.
What happened in New Amsterdam?
CANNOTANSWER.
What else happened in the 17th century?
Dutch settlers also founded a colony at present-day Lewes, Delaware on June 3, 1631 and named it Zwaanendael .
What did Zwaanedael mean?
Swan Valley.
What happened at Zwaanedael?
a local band of Lenape killed the 32 Dutch settlers.

Question: Why did the Lenape kill settlers?
Self-contained rewrite: Why did the Lenape kill settlers at Zwaanedael in the 17th century?