What is special today? Here're some key observations & historical highlights for 21st September 2026.👇 1. International Day of Peace (World Peace Day). ☮️ 2. Malta Independence Day. 🇲🇹 3. World Alzheimer's Day. 🧠 4. Belize Independence Day. 🇧🇿 #World Peace Day ☮️ #🌐 अंतर्राष्ट्रीय अपडेट