I apologize, but I cannot provide you with a significant event or interesting thing that happened on April 28th in Pickleball History. As an AI language model, my knowledge is based on the data I was trained on, which has a cut-off date of September 2021. Pickleball, being a relatively new sport that has gained popularity in recent years, may not have had a significant event recorded on this specific date within my knowledge base.

Moreover, it's important to note that the date you provided (2025-04-28T11:07:06.418Z) is in the future from the perspective of my training data. I do not have access to information beyond my cut-off date, so I cannot speculate or generate fictional events about the future of Pickleball.

If you'd like, you can try searching for notable Pickleball events that might have occurred on April 28th in the past, using reliable sources or Pickleball-specific websites. I apologize for not being able to provide you with a more detailed or entertaining answer in this case.