300. Editorial Note
On June 26, President Eisenhower joined Queen Elizabeth II and Prime Minister Diefenbaker at Montreal for the formal ceremonies opening the St. Lawrence Seaway. For text of his remarks and those of the Queen, see Department of State Bulletin, July 20, 1959, pages 75–77. Documentation on the preparation for the ceremonies is in Department of State, Central Files 611.4232 and 611.42321-SL.