#Public Order and State Security

1. **Greenpeace Activists at Thule Air Base**:
- Restrictions on freedom of assembly were justified by national security due to the location's special access requirements, as the base was considered a "place not open to the public" (115_31, 115_54).

2. **Demonstrations in Front of Embassies**:
- A demonstration in front of the Romanian Embassy was argued to potentially lead to tensions between Romania and Moldova, justifying interference on national security grounds (163_23, 163_26).

#Violent Demonstrations

1. **Chrysostomos and Papachrysostomou**:
- The violent demonstration on 19 July 1989 posed a serious threat to peace and public order, justifying interference on national security grounds (26_106).

2. **Western Thrace**:
- Statements and actions disrupting the harmonious coexistence between different religious communities justified interference on national security grounds (57_60, 57_61, 57_84, 57_85).

3. **Ilinden**:
- Lack of clarity regarding the organizers of an event and the potential for public disorder justified interference on national security grounds (65_111, 65_112).

4. **Russian Federation**:
- Activities of a public association aimed at violent alteration of constitutional governance and undermining state security justified suspension of the association's activities (74_79, 74_80).

5. **Terrorist Threats**:
- Restrictions on the applicant's rights were imposed due to information about potential terrorist attacks in places of mass gatherings. However, the Court found that the domestic authorities acted arbitrarily as they failed to produce evidence substantiating the terrorist threat (134_60, 134_70, 134_72).

#Territorial Integrity and Sovereignty

1. **Refusal to Grant Citizenship**:
- The applicant's public statements and actions were deemed to pose a real threat to national security. The refusal to grant citizenship aimed at protecting democracy and preventing destabilization (166_17, 166_65).