The Greeks made a wooden horse to trick the Trojans. They said it was a offering to the gods. They had warriors in the horse. So when the Trojans where asleep the warriors would get out of the horse and take over Troy.
The Trojans brought the horse in side the city a rejoiced that the war was over. But little did they know that the Greeks were waiting for night to strike. So when the Trojans went to sleep the ruckus begin.
Then the Geeks went around the city and killed the men and some boys. But they stole the women and children. Plus all the important things in the town.
Then after the Greeks took over Troy they also took back Helen. Then all the other children and women they were heading back to the ships.
Then after they were done boarding everything. They sent off for Greece on the ships which took a while. The trip was long and rought the whole time.