June lists 203 national days and holidays on Calendar.cx, spanning Pride Month, historical commemorations, and quirky food days. D-Day (June 6) marks the 1944 Normandy landings — one of the most significant dates in modern history. Lighter celebrations include National Best Friends Day (June 8), National Donald Duck Day (June 9), National Egg Day (June 3), National Bubba Day (June 2), National Red Rose Day (June 12), and National Loving Day (June 12). Father's Day falls on the third Sunday in June. Juneteenth (June 19) commemorates the emancipation of enslaved people in the United States. Browse all 203 June holidays below.