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The monarchs who ruled the longest
1. 🇹🇭 King Bumipol
2. 🇬🇧 Queen Elizabeth II (still on the throne)
3. 🏳️ Ajav Pakal
4. 🇦🇹 Emperor Frans Iosif I
5. 🇫🇷 King Louis XIV
6. 🇲🇾 Sultan Ibrahim Johar
7. 🇬🇧 Queen Victoria
8. 🇨🇳 Emperor Chianlong
9. 🇯🇵 Emperor Hirohiti
10. 🇸🇿 King Sobhuza II
source: Useful Charts