ศาสตร์เกษตรดินปุ๋ย : ขอบคุณแหล่งข้อมูล : หนังสือพิมพ์ The Nation
https://www.nationthailand.com/news/30373801
21-gun salute for HM the King
Jul 28. 2019
The Nation
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The Songkhla-based Fifth Artilleryman Battalion on Sunday (July 28) performed a 21-gun salute as a military honour to celebrate His Majesty King Maha Vajiralongkorn’s 67th birthday.
The firing of cannons from four artillery machines was performed at Mahavajiravudh Songkhla School in the Muang district of Songkhla province.
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