On the occasion of the 90th anniversary of the birth of Professor of History, People's Teacher Phan Huy Le (February 23, 1934 - February 23, 2024), the University of Social Sciences and Humanities, the Institute of Vietnamese Studies and Development Sciences under VNU and the Historical Association jointly organized a photo exhibition and introduced the book "Phan Huy Le's Posthumous Works: Perceptions of Vietnamese History".