NATO commemorates 25th anniversary of 9/11 terrorist attacks, invoking Article 5 for the first time in its history

A solemn ceremony was held at NATO Headquarters in Brussels to mark the 25th anniversary of the 9/11 attacks on the United States. NATO Deputy Secretary General Radmila Shekerinska emphasized that 9/11 was the first and only time Article 5, the collective defense clause, was invoked in NATO's history, signifying the alliance's unity.