Sampoong Department Store collapse
On June 29, 1995, the Sampoong Department Store (Korean: 삼풍백화점; Hanja: 三豐百貨店) in Seocho District, Seoul, South Korea, collapsed due to a structural failure. The collapse killed 502 people and injured 937, making it the largest peacetime disaster in South Korean history.
Source: Wikipedia — Sampoong Department Store collapse (CC BY-SA 4.0)