Complex sentence: On 8 January 1941, a relief convoy was destroyed by the Royal Air Force (RAF) near Giarabub, which became the last attempt to supply the oasis by land, after the Italian defeat in Operation Compass and withdrawal from Cyrenaica.
Split into simpler sentences: On 8 January 1941, a relief convoy was destroyed by the Royal Air Force (RAF) near Giarabub. This was the Italian's last attempt to supply the oasis by land, after their defeat and withdrawal from Cyrenaica.