<a href="https://en.wikipedia.org/wiki/Iraq_War" id="mwAQY" rel="mw:WikiLink" title="Iraq War">Iraq War</a>: The United States, the United Kingdom, Australia, and Poland begin an <a href="https://en.wikipedia.org/wiki/2003_invasion_of_Iraq" id="mwAQc" rel="mw:WikiLink" title="2003 invasion of Iraq">invasion of Iraq</a>.