On This Day August 20 1989 – 51 People Were Killed When 2 Vessels Collided on the River Thames in London
On this day August 20 1989, tragedy struck in London when two vessels collided on the River Thames. The collision, involving the Marchioness pleasure boat and the dredger Bowbelle, claimed the lives of 51 people. The Marchioness was carrying young partygoers when it was struck