I apologize for the confusion, but as an AI language model, I don't have access to real-time information or future events. My knowledge is based on the data I was trained on, which has a cut-off date in 2021. Therefore, I cannot provide information about events that may or may not have occurred on April 16th, 2025, in Pickleball History.

However, I can share some general information about Pickleball. Pickleball is a relatively new sport that combines elements of tennis, badminton, and table tennis. It was invented in 1965 by Joel Pritchard, Bill Bell, and Barney McCallum on Bainbridge Island, Washington, USA. The sport has gained popularity in recent years, particularly among older adults, as it is a low-impact activity that provides a good workout and social interaction.

As for significant events in Pickleball History, the first known pickleball tournament was held in 1976 at South Center Athletic Club in Tukwila, Washington. In 1984, the United States Amateur Pickleball Association (USAPA) was formed to promote and standardize the sport. The first USAPA National Tournament was held in 2009, and the sport has since grown to include international competitions and professional players.

While I cannot provide specific information about events on April 16th, 2025, it's possible that the sport of Pickleball will continue to grow and evolve in the coming years, with new tournaments, rules, and players emerging.