A team composed of American collegiate players visited Ottawa for a two-game series at the start of January.

When the two met in Washington on February 20, Diefenbaker was impressed by Kennedy, and invited him to visit Ottawa.

According to one official, Defense Secretary Caspar W. Weinberger made this point when he visited Ottawa last month with President Reagan.

Most years they visit Ottawa and Stratford, Ontario.

In November 2012, Enrique Peña Nieto also chose to visit Ottawa as a president-elect before taking the presidential oath.

Mr. Reagan had promised to "consider" such a pact when he visited Ottawa last year.

In 1937, Greber visited Ottawa but disagreed with King on on the placement of the war memorial, for fear of traffic problems.

In May 1939, King George VI came to visit Ottawa and formally unveiled the new War Memorial.

In 1984, Australian Prime Minister Bob Hawke was greeted by New Zealand flags when visiting Ottawa.

Since then, Cuban officials have visited Ottawa, and earlier this month Canada agreed to take 14 political prisoners exiled by the Castro Government.