6th June 1969
In response, Spain closed the border with Gibraltar, and severed all communication links. For about 13 years, the land border was closed from the Spanish side, in an attempt to isolate the territory. However, the closure affected both sides of the border. Gibraltarians with families in Spain had to go by ferry to Tangier, Morocco and from there to the Spanish port of Algeciras, whilst the 4,800 or so Spanish workers who entered Gibraltar every day, lost their jobs.
Image: Opening of the gate of Gibraltar to pedestrians in 1982. See more images