True. In the first half of the 19th century, there was a significant shift in religious thinking, particularly in Western societies. This period is often referred to as the era of religious revival and reform. During this time, there was a growing rejection of certain traditional religious notions, including the ideas of original sin and predestination. The Enlightenment, which began in the 18th century and continued into the 19th century, played a significant role in challenging traditional religious beliefs. Enlightenment thinkers emphasized reason, scientific inquiry, and individual freedom, which led to a reevaluation of religious doctrines. Many religious movements emerged during this period that questioned or rejected the concepts of original sin and predestination. These movements, such as the Second Great Awakening in the United States, sought to emphasize personal salvation, moral responsibility, and the ability of individuals to shape their own destinies. They focused on the idea of free will and the potential for human improvement and progress. Notable figures like Charles Finney, a prominent leader of the Second Great Awakening, rejected the doctrine of original sin and emphasized the importance of personal choice in matters of faith and salvation. Other religious groups and individuals also emerged during this time with similar ideas, contributing to a broader rejection of these traditional religious notions. Therefore, it is accurate to say that in the first half of the 19th century, people began rejecting the religious notion of original sin and predestination.