The twenty-yearly milestone conferences in 1968, 1988 and 2008 were organised to reflect on the future of PA from an USA perspective.

The Centre for Interdisciplinary Research at the University of Bielefeld hosted in 1981/82 a research group from eight countries and a range of disciplines.

Other initiatives

Other Initiatives to "take stock" of the field of PA in Europe were undertaken by the European Group for Public Administration (EGPA), on the occasion of its 40th anniversary within the IIAS-family.