Note of our blog: Copts called the Egyptian Christians our brethren who seceded from the Orthodox Church after 451 AD. More in "Oriental Orthodox".
Persecution of Copts
Human rights in Egypt
The 21 Coptic martyrs, which slaughtered by jihadists
in Libya, in February 2015. Icon from here.
Imbaba church attacks
St Fana Monastery attack
"Oriental Orthodox" (Copts - non-Chalcedonians)
خلقدونية أساس الخرستولوجية
About Orthodox martyrs of the 20th and 21th century (non Copts), see here.