March 15 – Hotel New World disaster: The six-story Lian Yak Building (1971) in Singapore, housing the Hotel New World, collapses in less than a minute due to structural failure, perhaps caused by a gas explosion, trapping 50 people and killing 33.
undated
Construction work begins on Park Pobedy station in the Moscow Metro.[1]
Y Pencadlys (County Hall), headquarters of Gwynedd County Council in Caernarfon, Wales, designed by Dewi-Prys Thomas (died 1985) and executed by Council architects Merfyn Roberts and Terry Potter.[7]
Russian State Scientific Center of Robotics and Technical Cybernetics, Saint Petersburg, designed by B. I. Artiushin and S. V. Savin.