American Commodore Matthew Perry arrived off the coast of Uraga Bay on August 7, 1853, sparking the development of relations between the states -United States and Japan. Following this event, Japan and the United States gradually established a cooperative alliance in political, economic and cultural fields. As people generally celebrate the 150th anniversary of these events, one might wonder, in world history, what other nations engaged in war established such a strong partnership so quickly? From their first meetings until today, despite various challenges, Japan and the United States have strengthened exchanges in all fields, including politics, economy and culture, and forged friendly and of cooperation that exist today. Understanding historical events regarding U.S.-Japan relations proves essential to understanding Japan's current foreign relations and conditions. Despite the fact that the international community has undergone radical changes and faced many challenges, Japan and the United States have maintained a positive alliance due to their shared values ​​of freedom, democracy and market economy. and the development of the economy between the United States and Japan. Today, there is concern about the difficulties that have arisen in economic relations between the United States and Japan, and there is a feeling that both countries must carefully evaluate the importance of China's new direction and the role that everyone should play in relation to China. Fifty-two years ago, the United States and Japan signed the Treaty of Mutual Cooperation and Security. Forged just 15 years after a brutal and racist war between the two nations, the treaty was an exercise... middle of paper ...... in the future of the Asia-Pacific and beyond . " NewsRoomAmerica.com - April 28, 2014. "U.S.-Japan Relations: Enduring Ties, Recent Developments." US Department of State, March 17, 2010. US Department of State. April 28, 2014.  !!!“US-Japan Relations” US-Japan Relations, April 28, 2014. Xu, Beina. “US-Japan Foreign Relations Council.” . Foreign Relations April 28, 2014. "Japan - Country - Historian's Office - Japan - Historian's Office Web.". 2014.