Darius I.

Darius I., eldest son of Hystaspes, king of the Persians; subdued subject places that had revolted, reorganised the empire, carried his conquests as far as India, subdued Thrace and Macedonia, declared war against the Athenians; in 492 B.C. sent an expedition against Greece, which was wrecked in a storm off Athos; sent a second, which succeeded in crossing over, but was defeated in a famous battle at Marathon, 490 B.C.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Darien Scheme * Darius II.
Darby and Joan
Darbyites
Dardanelles
Dardanus
Darfur
D'Argens, Marquis
D'Argenson, Comte
Daric
Darien, Gulf of
Darien Scheme
Darius I.
Darius II.
Darius III.
Darjeeling
Darley, George
Darling
Darling, Grace
Darlington
Darmesteter, James
Darmstadt
Darnley, Henry Stuart, Lord