Throughout the history of the kings of Israel, one bad king set the standard for the onslaught of evil kings to follow: King Jeroboam. Subsequent kings were measured by whether they continued in the "sins of Jeroboam" (1 Kings 15:34, 1 Kings 16:19, etc.), and no king achieved a higher degree of infamy. Jeroboam did many evil things, but the most distinctive offense, the one that really belonged to Jeroboam, was changing God's Feast of Tabernacles!