Following the 9/11 terrorist attacks, the European Union adopted a framework decision urging Member States to align their legislation and set out minimum rules on terrorist offences.
Pēc 2001. gada 11. septembra teroruzbrukuma, ES Padome pieņēma pamatlēmumu, kas prasīja dalībvalstīm saskaņot savus tiesību aktus par terorisma noziegumiem.