Falklands: State Department telegram to USE Buenos Aires and USE London (0520Z) ("Falklands Dispute: Secretary's Meeting with Argentine Foreign Minister Costa Mendez") [Costa Mendez agreed to put proposed visit to Galtieri] [published 2015]

The meeting itself seems to have taken place at 1830EST = 2330Z (see Costa Mendez in Argentine telcon of his conversation that evening with Galtieri, which can be read here). According to Costa Mendez the meeting ended at 1940EST = 0040Z.

0020 EST = 0520Z. Excerpt from Foreign Relations of the United States 1981-89 (Volume XIII) Conflict in the South Atlantic (2015). Other documents from this volume can be seen here. Read the whole volume.

Published in 2015, but date of declassification unknown. The document may have been available for some time before inclusion in this volume.