1977, (w), A Savage War of Peace, New York Review Books 2006, p. 309:
Algiers seethed, and this was the casus belli for the ‘ultras’ to attempt a general strike.
2002, (w), The Great Nation, Penguin 2003, p. 138:
Furthermore, if the French had airily waved away one potential casus belli, more than enough causes of potential conflict remained embedded in the Aix-la-Chapelle Treaty.
2010, (w), Hitch-22, Atlantic 2011, p. 290:
Had Saddam taken only the Rumaila oil field and the Bubiyan and Warba islands, there would have been no casus belli.