YBP - In the evening of January 26, at the national historical relic of Nguyen Thai Hoc and the soldiers tombs who died in the Yen Bai revolt, Nguyen Thai Hoc ward, Yen Bai city, Yen Bai province solemnly celebrated 89th anniversary of Yen Bai revolt (February 9, 1930 - February 9, 2019) and inaugurated the memorial zone belonging to the complex of national historical relics of Nguyen Thai Hoc and soldiers tombs who died in Yen Bai revolt.