There is no available information about a U.S. nonprofit organization named "Celebrate the Valley" with the EIN 205258248. Therefore, it is not possible to create a Wikipedia-style article based on the provided data. If more specific details become available, an article could be constructed.

However, there is an event called "Celebrate the Valley" hosted by the Granby-Simsbury Chamber of Commerce in Connecticut, but it is not a nonprofit organization itself[5].

[1] https://www.causeforcelebrations.com [2] https://www.arborday.org [3] https://www.ymca.org [4] https://www.operationgratitude.com [5] https://www.simsburycoc.com/celebrate-the-valley