India, Nov. 25 -- The recently concluded summit of the Group of 20 (G20) nations and organisations in Johannesburg, South Africa, marked two special milestones in the evolution of an international institution that is crucial for global governance and world order.

First, it ended one full cycle of all G20 member countries hosting a summit each since 2008, when the first gathering of heads of government happened in the United States (US) amid the emergency of the international financial crisis. By rotation, the G20 baton has been passed around and given every host country a sense of visibility, ownership and responsibility to steer the world economy through multiple challenging phases.

South Africa's G20 summit was particularly special as...