So Mordecai sent letters to all the Jews in the 127 provinces of King Xerxes’ kingdom. He told the people that the festival should bring peace and make people trust each other.
This was after he defeated Sihon and Og. (Sihon was the king of the Amorites and lived in Heshbon. Og was the king of Bashan and lived in Ashtaroth and Edrei.)
“Then the Israelites sent messengers to King Sihon of the Amorites. Sihon was the king of the city of Heshbon. The messengers asked Sihon, ‘Let the Israelites pass through your land. We want to go to our land.’