Where did Mongkut and Chulalongkorn travel to observe a solar eclipse in 1868?
Prachuap Khiri Khan Province
Chiang Mai Province
Phuket Province
Ayutthaya Province
Answer
Prachuap Khiri Khan Province was where Mongkut and Chulalongkorn travelled to observe a solar eclipse in 1868. This was because the province is located in a region where the eclipse would be visible, and the king wanted to witness this rare event.
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