2000 Commonwealth Avenue collapse (1971)
On January 25, 1971, a luxury condominium building under construction at 2000 Commonwealth Avenue in Brighton, Boston, Massachusetts, collapsed, killing 4 construction workers and injuring 30 others. == History == The construction of the 2000 Commonwealth Avenue building began in autumn 1969.
Source: Wikipedia — 2000 Commonwealth Avenue collapse (1971) (CC BY-SA 4.0)