1. @ CharlesMichel (2019, July 2). To be appointed President of #EUCO is a great responsibility and a task I will fulfill with commitment. A united #Europe with respect for national diversity is my objective. Solidarity, freedom & mutual respect are the core of the European Union. I will uphold those values [Twitter post]. Retrieved from https://twitter.com/CharlesMichel/status/1146107723609706497 .
2. @EU_Commission (2019, May 5). It’s about… development aid respect of minorities volunteering opportunities civil protection regional support It’s about solidarity #ThisIsTheEU [Twitter post]. Retrieved from https://twitter.com/EU_Commission/status/1124926731507441665 .
3. @VaticanNews (2019, April 15). The holy see has seen with shock and sadness the news of the terrible fire that has devastated the Cathedral of #NotreDame, symbol of Christianity in France and in the world [Twitter post]. Retrieved from https://twitter.com/VaticanNews/status/1117888651155795968 .
4. Agamben, G. (2009). What is an apparatus? and other essays. Stanford: Stanford University Press.
5. Baldwin, P. (1990). The politics of social solidarity: Class bases of the European welfare state 1875–1975. Cambridge: Cambridge University Press.