In the Gleneagles Agreement, in 1977, Commonwealth Presidents and Prime Ministers agreed, as part of their support for the international campaign against apartheid, to discourage contact and competition between their sportsmen and sporting organisations, teams or individuals from South Africa. The agreement was unanimously approved by the Commonwealth of Nations at a meeting at Gleneagles, Auchterarder, Scotland.
The Gleneagles Agreement reinforced their commitment, embodied in the Singapore Declaration of Commonwealth Principles (1971), to oppose racism. This commitment was further strengthened by the Declaration on Racism and Racial Prejudice, adopted by Commonwealth leaders in Lusaka in 1979. The Commonwealth was a relevant body to impose a sporting ban on South Africa because several of the sports most popular among white South Africans are dominated by Commonwealth member states, for example cricket and rugby union.
The member countries of the Commonwealth, embracing peoples of diverse races, colours, languages and faiths, have long recognised racial prejudice and discrimination as a dangerous sickness and an unmitigated evil and are pledged to use all their efforts to foster human dignity everywhere. At their London Meeting, Heads of Government reaffirmed that apartheid in sport, as in other fields, is an abomination and runs directly counter to the Declaration of Commonwealth Principles which they made at Singapore on 22 January 1971.
They were conscious that sport is an important means of developing and fostering understanding between the people, and especially between the young people, of all countries. But, they were also aware that, quite apart from other factors, sporting contacts between their nationals and the nationals of countries practising apartheid in sport tend to encourage the belief (however unwarranted) that they are prepared to condone this abhorrent policy or are less than totally committed to the Principles embodied in their Singapore Declaration. Regretting past misunderstandings and difficulties and recognising that these were partly the result of inadequate inter-governmental consultations, they agreed that they would seek to remedy this situation in the context of the increased level of understanding now achieved.
They reaffirmed their full support for the international campaign against apartheid and welcomed the efforts of the United Nations to reach universally accepted approaches to the question of sporting contacts within the framework of that campaign.