The Persian wars marked: The beginning of the Greek Dark Age.
The beginning of the Greek Classical Age.
The beginning of the Archaic period in Greek history.
The end of the Greek Dark Age.
TECTION10

what the first or next guys says

they were byzantines

google it and it will pop up

after the success of the sputnik launch in 1957, the us feared that they would not be able to send satellites to space.

their earlier attempts of building and sending a spacecraft failed miserably, and the soviets successfully did it. it gave rise to the era of cold war.