The 21 Coptic Martyrs of Libya were 20 Coptic Orthodox Christian migrant workers from Upper Egypt — primarily from the small village of El-Aour in the Minya Governorate — and one Ghanaian Christian (Matthew Ayariga), all of them low-wage construction-and-cleaning labourers working in the small Libyan coastal town of Sirte. They were captured by Islamic State of Iraq and the Levant (ISIL) fighters in two raids in late December 2014 and January 2015.
After approximately six weeks of captivity — during which ISIL captors repeatedly demanded that they renounce Christianity, threatening immediate execution, and pressured them to convert to Islam — the 21 were marched to the Mediterranean shore near Sirte on February 15, 2015. ISIL released a 5-minute video documenting the execution: the 21 men kneeling in identical orange jumpsuits on the beach, each beside a masked ISIL fighter holding a knife. They were systematically beheaded. The video records each of the 20 Egyptian Coptic Christians dying with the name Yasua' (Arabic for Jesus) on their lips. Matthew Ayariga, the Ghanaian — when asked at the last moment whether he too was a Christian or whether he, not being from a Christian background, would prefer to renounce — is shown saying simply: 'Their God is my God.' He was beheaded with the others.
The Coptic Orthodox Church under Pope Tawadros II formally canonized the 21 as martyrs on February 21, 2015 — six days after the killings — adding them to the Coptic Synaxarion. The Catholic Church under Pope Francis added them to the Roman Martyrology on May 11, 2023, after a joint Catholic-Coptic declaration recognizing them as 'martyrs of the universal Church.' This is the only formal recognition by the Roman Catholic Church of a group of non-Catholic Christians as saints of the universal Church in the post-Reformation period — a historic ecumenical declaration. Their remains were returned from Libya to Egypt in 2018 and now rest in the new Church of the Martyrs of Faith and Homeland at El-Aour, Minya, dedicated specifically to them.

