Nigeria, June 19 -- While almost every nation has experienced conflict at some point in history, a select few have managed to avoid direct involvement in wars, either by maintaining strict neutrality, having no military, or benefiting from geographic isolation.

Below is a list of countries widely recognized for never having participated in war:

San MarinoOne of the oldest republics in the world, San Marino has never been involved in any wars since its founding in the 4th century.

IcelandIceland has never actively participated in a war and does not maintain a standing army. Although it achieved independence during World War II, it remained under Allied protection and did not engage in combat.

GreenlandAlthough historically under Danish...