1899 Spanish-American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
1951 Treaty of San Francisco: In San Francisco, California, 48 nations sign a peace treaty with Japan in formal recognition of the end of the Pacific War.
1952 The United States Senate ratifies a peace treaty with Japan.
1999 Kosovo War: the Federal Republic of Yugoslavia and NATO sign a peace treaty.