On 11 October 1954, the border was closed by the International Control Commission, after a period of 300 days during which free passage between both halves of Vietnam had been allowed.
Pada 11 Oktober 1954, perbatasan ditutup oleh International Control Commission (Komisi Kontrol Internasional), setelah selama 300 hari di kedua belah negara diperbolehkan melintas secara bebas.