The <a href="https://en.wikipedia.org/wiki/Danube–Black_Sea_Canal" id="mwAQY" rel="mw:WikiLink" title="Danube–Black Sea Canal">Danube–Black Sea Canal</a> is opened, in a ceremony attended by the <a href="https://en.wikipedia.org/wiki/Nicolae_Ceaușescu" id="mwAQc" rel="mw:WikiLink" title="Nicolae Ceaușescu">Ceaușescus</a>. It had been under construction since the 1950s.