Important Dates2025-2026 Important Dates for Grant Applicants | Applicant Information Session (Optional) Tuesday, September 18, 2025, Register here. Letter of Inquiry Accepted Online Monday, September 29, 2025 Letter of Inquiry Due Online Invitations to Submit Full Proposals Full Proposals Due | Invitations to Host Site Visits Site Visits Conducted Grant Finalists Announced The Big Give: Grant Awards and Celebration |