These events happened between a span of around 200 years and as such have been marked in order.
Explanation:
A. . The Minoan civilization collapses.
B. Solon becomes the leader of Athens.
C. The Persian army is defeated at Marathon.
D. The Delian League is formed.
E. The Peloponnesian War begins.
F. Helots in Sparta revolt
G. The Hellenes return to mainland Greece.
The earlier two of these events are about the foundation of Greece which happens after the Minoans and when Solon establishes Athens as a world leader which is then made perfect by their win over Persia and eventually challenged by Sparta.