Rehoboam went to Shechem, for all Israel had come to Shechem to make him king.
When Jeroboam son of Nebat heard of it (for he was still in Egypt, where he had fled from King Solomon), then Jeroboam returned from Egypt.
References for 1 Kings 12:2
And they sent and called him; and Jeroboam and all the assembly of Israel came and said to Rehoboam,
"Your father made our yoke heavy. Now therefore lighten the hard service of your father and his heavy yoke that he placed on us, and we will serve you."
He said to them, "Go away for three days, then come again to me." So the people went away.
Then King Rehoboam took counsel with the older men who had attended his father Solomon while he was still alive, saying, "How do you advise me to answer this people?"
They answered him, "If you will be a servant to this people today and serve them, and speak good words to them when you answer them, then they will be your servants forever."
But he disregarded the advice that the older men gave him, and consulted with the young men who had grown up with him and now attended him.
He said to them, "What do you advise that we answer this people who have said to me, "Lighten the yoke that your father put on us'?"
The young men who had grown up with him said to him, "Thus you should say to this people who spoke to you, "Your father made our yoke heavy, but you must lighten it for us'; thus you should say to them, "My little finger is thicker than my father's loins.