Tāufaʻāhau Tupou IV was the King of Tonga from 1965 until his death in 2006. He was born on July 4, 1918, and became the first Tongan monarch to be educated in New Zealand. His reign was marked by significant political changes, including the introduction of a new constitution in 1875 that limited the powers of the monarchy. During his time as king, Tupou IV focused on modernizing Tonga and improving its economy. He was known for his efforts in promoting education and healthcare, as well as for his role in international diplomacy. His leadership left a lasting impact on the nation.