رضا شاه was the founder of the {Pahlavi dynasty} in {Iran} and ruled from 1925 until 1941. He was born in 1878 and initially served as a military officer. His reign focused on modernizing the country, including reforms in education, infrastructure, and industry, aiming to transform {Iran} into a more modern state. During his rule, رضا شاه implemented policies to reduce the influence of {religious leaders} and promote secularism. He also sought to centralize power and strengthen the government. However, his authoritarian approach led to opposition, and he was eventually forced to abdicate in favor of his son, {Mohammad Reza Pahlavi}.