21 June is a calendar date used in the Aceh Wiki History date-linking convention, by which every full date is split into a day-month link and a year link. In the material drawn from Generaal Swart, Pacificator van Atjeh it appears in the articles listed below.
Articles referring to this date
Account from Verstege’s Een beroep op het Nederlandsche volk (1886)
On this date in 1883 Rutgers van Rozenburg brought the worrying state of Atjeh into the Kamer and the Governor-General telegraphed that Groot-Atjeh was nearly cleansed of enemies — four days before the Anak Paja murders.
See Also
Source
Generaal Swart, Pacificator van Atjeh (“General Swart, Pacifier of Atjeh”), by M. H. du Croo, Colonel K.N.I.L. (retired), with the collaboration of H. J. Schmidt, Titular Colonel K.N.I.L. (retired), with a foreword by His Excellency Lieutenant-General K.N.I.L. (retired) G. K. Dijkstra (Maastricht: N.V. Leiter-Nypels, 1943), passim.
Een beroep op het Nederlandsche volk in zake het Atjeh-vraagstuk, door J. J. W. E. Verstege (Amsterdam: J. H. de Bussy, 1886), pp. 75, 78-79. OCR: DLP-158.