Aug. 1, 2005 State and university officials gather on the University of Wisconsin-Madison campus to break ground for the University of Wisconsin Medical School's new Interdisciplinary Research Complex. The $134 million project is expected to bolster Gov. Jim Doyle's biotech and stem cell research initiative. Photo by Paul Snyder Aug. 6, 1945 The United States becomes the first and only nation to use atomic weaponry during war when it drops an atomic bomb on the Japanese city of Hiroshima. Source: www.historychannel.com   Aug. 7, 1849 Frank J. Weber is born near Milwaukee. A pioneer member of the Socialist party, Weber organized the Federated Trades Council in 1887 and served as its secretary until he retired in 1934. He also founded the Wisconsin State Federation of Labor in June 1893. Source: Wisconsin Historical Society   Aug. 8, 1974 In an evening televised address, President Richard M. Nixon announces his intention to become the first president in American history to resign. Source: www.historychannel.com Photo courtesy of Library of Congress, Prints and Photographs Division Aug. 9, 1793 Laurent Salomon Juneau is born in Repentigny, Quebec, Canada. Known as the founder of Milwaukee, Juneau formed a partnership with Morgan L. Martin in October 1833 to develop a village on the east side of the Milwaukee River. Juneau was elected first mayor of Milwaukee in 1846. Source: Wisconsin Historical Society Photo courtesy of Library of Congress, Prints and Photographs Division Aug. 11, 1919 The Green Bay Packers professional football team is founded during a meeting in the editorial rooms of the Green Bay Press-Gazette. Source: Wisconsin Historical Society Image courtesy of Green Bay Packers Aug. 12, 1961 In an effort to stem the tide of refugees attempting to leave East Berlin, the communist government of East Germany begins building the Berlin Wall to divide East and West Berlin. Source: www.historychannel.com Photo courtesy of Library of Congress, Prints and Photographs Division Aug. 17, 1936 The state of Wisconsin issues the first unemployment compensation check in the United States. The recipient, Neils N. Ruud, received a check for $15. He then sold it to Paul Raushenbush for $25 for its historical value. Source: Wisconsin Historical Society   Aug. 20, 1866 The newly organized National Labor Union calls on Congress to mandate an eight-hour workday. Although it failed, the NLU's efforts heightened public awareness of labor issues and increased public support for labor reform in the 1870s and 1880s. Source: Library of Congress Photo courtesy of Library of Congress, Prints and Photographs Division Aug. 29, 2005 Hurricane Katrina makes landfall near New Orleans. Despite being only the third most powerful storm of the 2005 hurricane season, Katrina was the worst natural disaster in the history of the United States. In all, it is believed the hurricane caused more than 1,300 deaths and up to $150 billion in damages to both private property and public infrastructure. Source: www.historychannel.com