Which country's longest continuous deployment began because of intense political and sectarian rioting in Northern Ireland?
1969 Northern Ireland riots During 12–17 August 1969, intense political and sectarian rioting took place in Northern Ireland. There had been sporadic violence throughout the year arising from the civil rights campaign, which was demanding an end to discrimination against Irish Catholics. Civil rights marches were repeatedly attacked by both Ulster Protestant loyalists and by the Royal Ulster Constabulary (RUC), a unionist and largely Protestant police force.
United Nations Buffer Zone in Cyprus The United Nations Buffer Zone in Cyprus is a demilitarized zone, patrolled by the United Nations Peacekeeping Force in Cyprus (UNFICYP), that was established in 1964 and extended in 1974 after the cease fire of none }} , following the Turkish invasion of Cyprus, and "de facto" partition of the island into the area controlled by the Republic of Cyprus (southern Cyprus save for the British Sovereign Base Areas) and the Turkish Republic of Northern Cyprus in the North. The zone, also known as the Green Line (Greek: Πράσινη Γραμμή , "Prasini Grammi"; Turkish: "Yeşil Hat" ), stretches for 180 km from Paralimni in the east to Kato Pyrgos in the west, where a separate section surrounds Kokkina. The zone cuts through the centre of Nicosia, separating the city into southern and northern sections. In total, it spans an area of 346 km2 , varying in width from less than 20 metres to more than 7 kilometres.