Nagasaki Day 2026 observed on August 9

Key facts

• Nagasaki Day 2026 was observed on August 9, 2026, marking the 81st anniversary of the U.S. atomic bombing of Nagasaki.
• The U.S. atomic bombing of Nagasaki took place on August 9, 1945.
• The bomb used in the Nagasaki attack was a plutonium bomb called 'Fat Man', dropped from a B-29 aircraft.
• The Nagasaki bombing killed 70,000 people by the end of 1945.
• The Hiroshima bombing killed 140,000 people and occurred three days before the Nagasaki bombing.
• Japan surrendered on August 15, 1945, ending World War II.
• The anniversary ceremony was held at Nagasaki Peace Park and included a moment of silence at 11:02 a.m.
• Representatives from more than 90 countries attended the ceremony.
• Nagasaki Mayor Shiro Suzuki described nuclear weapons as 'absolute evil'.