On March 20, 2003, United States-led coalition forces launched a military invasion of Iraq, beginning what would become known as the Iraq War.

The operation marked the start of a major military campaign involving multiple nations under U.S. leadership. The invasion represented a significant escalation in tensions that had been building in the region.

The military action commenced on March 20, 2003, with coalition forces crossing into Iraqi territory. The operation involved coordinated efforts from multiple allied nations participating in the coalition.

The invasion would go on to become one of the defining military conflicts of the early 21st century, lasting for several years and involving extensive military operations throughout Iraq. The initial day of the invasion marked the beginning of what would become a prolonged military engagement in the region.