There are a number of possible answers. Charlemagne, Marcus Aurelius Antoninus, Cyrus, and several others are all candidates.
David
Cyrus the Persian.
I assume you are looking for a non-Hebrew ruler, in which case, the answer would the Persian King Cyrus the Great. If you are including the Hebrews, the best Jewish monarch would have been either David or Solomon.
she is the best ruler because she loves Canadian bacon.
being the patriarch of the Hebrews.
That was King Solomon.
They solved the problem or dealt with it as best as they could.
Cyrus the Great, the founder of the Achaemenid Empire, is best known for his wisdom and compassion. He is celebrated for his progressive policies, including the respect for the customs and religions of the lands he conquered. His most notable achievement, the Cyrus Cylinder, is often regarded as an early declaration of human rights, promoting tolerance and justice within his empire. Cyrus's leadership style earned him a reputation as a benevolent ruler, respected by both his subjects and adversaries.
Hebrews
The mass or weight or a ruler would best be measured in grams.
Yes, Xerxes I was a ruler of the Persian Empire, specifically the Achaemenid dynasty, and he reigned from 486 to 465 BCE. He is best known for his invasion of Greece, which included the famous battles of Thermopylae and Salamis. Xerxes was the son of Darius I and continued his father's policies, expanding the empire while also facing significant military challenges.
25.88m = 84.91 ft, rather a long ruler.