Significant U.S. Conflicts
During the first phase of its history, the United States tried to isolate itself from foreign conflicts. In the 1900s, however, the United States participated in two world wars, became a global superpower, and eventually became a major proponent of world trade.
World War Ibegins.
World War I ends.
The U.S. declares the war withGermanyto be at and end.
End of World War II. The U.S. is a founding member of theUnited Nations.
The U.S. and 11 other nations sign the North Atlantic Treaty, formingNATO.
PresidentNixonorders a halt to offensive operations in NorthVietnamon Jan. 15 and representatives from all sides sign a peace pact, ending the longest war in U.S. history. The last American troops depart by March 1973.
TheBerlin Wallcomes down, marking the end of the Cold War.
A U.S.-led multinational force attempts to restore order to war-tornSomaliaso that food can be delivered and distributed within the famine-stricken country.
During the Bosnian civil war, which begins shortly after the country declares independence in 1992, the U.S. launches air strikes onBosniato preventethnic cleansing. It becomes a part ofNATO'speacekeeping force in the region.
The U.S. is a founding member of theWorld Trade Organization (WTO), formed to monitor and promote world trade.
Yugoslavia's province ofKosovo erupts in warin the spring of 1999. AU.S.-led NATO forceintervenes with air strikesafterSlobodan Milosevic'sSerbian forces uproot the population and embark on a plan ofethnic cleansingof Kosovo's ethnic Albanian population.
On Aug. 31, President Obama announces the end of U.S. combat missions in Iraq.
Operation New Dawn begins on Sep. 1. A U.S. transitional troop force will remain in Iraq, tasked with the mission: "advising and assisting Iraq's Security Forces, supporting Iraqi troops in targeted counterterrorism missions, and protecting our civilians."
On May 2, 2011 (May 1 in the U.S.), U.S. troops and CIA operatives shot and killed Osama bin Laden in Abbottabad, Pakistan.
May 1, 2012, President Obama and President Karzai signed theEnduring Strategic Partnership Agreement between the Islamic Republic of Afghanistan and the United States of America. The Agreement provides for the possibility of U.S. forces in Afghanistan after 2014, for the purposes of training Afghan Forces and targeting the remnants of al-Qaeda. Afghanistan will be a ?Major Non-NATO Ally? and as such, the U.S. will support the training, equipping, advising and sustaining of Afghan National Security Forces, and social and economic assistance.
According to the Department of Defense, 6,097 targets were damaged or destroyed as of April 23, 2015. The strikes were conducted as part of Operation Inherent Resolve, an undertaking meant to eliminate the Islamic State of Irag and the Levant (ISIL) terrorist group and the threat they pose to Iraq, Syria, the region, and the wider international community. Coalition nations conducting airstrikes in Iraq include the United States, Australia, Belgium, Canada, Denmark, France, Jordan, the Netherlands and the United Kingdom; coalition nations conducting airstrikes in Syria include the United States, Bahrain, Canada, Jordan, Saudi Arabia and the United Arab Emirates.