123421 -

123,421 mines were located and safely destroyed.

The successful clearance of marks a monumental shift for Chile, transforming it from a nation once dotted with hazardous minefields into a certified "mine-free" state . This achievement, formally recognized following Chile’s Declaration of Completion, represents over two decades of dedicated humanitarian and military effort to fulfill obligations under the Anti-Personnel Mine Ban Convention . Key Highlights of the Initiative: 123421

The sequence is frequently used in coding challenges (e.g., "READER" can be encoded as 123421 by assigning numbers to letters where R=1, E=2, A=3, D=4). 123,421 mines were located and safely destroyed

In addition to AP mines, Chile cleared 58,393 anti-vehicle (AV) mines , further securing its borders and rural territories. Key Highlights of the Initiative: The sequence is

It appears in various tax and revenue documents, such as Iowa Code sections 123 and 421 , often grouped together in rulemaking summaries regarding administrative petitions and waivers.

Chile's completion of this task is cited by international bodies, such as the Netherlands Ministry of Foreign Affairs , as a leading example for other nations still working toward the Oslo Action Plan's goal of a mine-free world.