Sidi Omar () is an ancient Senussi tomb located in the Egyptian desert in the

Matrouh Governorate Matrouh Governorate ( ar, محافظة مطروح ) is one of the governorates of Egypt. Located in the north-western part of the country, it borders Libya. Its capital is Mersa Matruh. Municipal divisions The governorate is divided into munic ...

. It serves as the demarcation of the border between Libya and Egypt since the Italo-Egyptian treaty called the Treaty of Jaghbub (1925). During the colonial stage of Italian Libya, a series of defensive positions were built on the Italian side of the

Frontier Wire (Libya) The Frontier Wire was a obstacle in Italian Libya, along the length of the border of British-held Egypt, running from El Ramleh, in the Gulf of Sollum (between Bardia and Sollum) south to Jaghbub parallel to the 25th meridian east, the Libya� ...

as support for Fort Capuzzo, also called Sidi Omar (by the British Libyan Sidi Omar) and Sidi Omar Nuovo. During the Second World War, the area of Sidi Omar played a significant role in

Operation Compass Operation Compass (also it, Battaglia della Marmarica) was the first large British military operation of the Western Desert Campaign (1940–1943) during the Second World War. British, Empire and Commonwealth forces attacked Italian forces of ...

Operation Battleaxe Operation Battleaxe (15–17 June 1941) was a British Army offensive during the Second World War to raise the Siege of Tobruk and re-capture eastern Cyrenaica from German and Italian forces. It was the first time during the war that a significa ...

and Operation Crusader

References

Geography of Egypt Western Desert campaign {{Egypt-geo-stub