Presidents of the United States on U.S. postage stamps Jennings Bryan for the Presidency (1897–1901). McKinley was assassinated early in his second term while attending the Pan-American Exposition in Buffalo in 1901. Theodore Roosevelt (October 27, 1858 – January 6, 1919) was the 26th President of the United States. He served as president from September 14, 1901 – March 4, 1909. In 1901, President William McKinley was assassinated, and Roosevelt became president at the age of 42, taking office at the youngest age of any US President in history at that time. Roosevelt was a hero of the Spanish–American War and the Battle of San Juan Hill for which
American College & University Presidents' Climate Commitment American College & University Presidents' Climate Commitment The American College & University Presidents' Climate Commitment (ACUPCC) is a “high-visibility effort” to address global warming (global climate disruption) by creating a network of colleges and universities that have committed to neutralize their greenhouse gas emissions and accelerate the research and educational efforts of higher education to equip society to re-stabilize the earth’s climate. Second Nature is the main supporting organization of the ACUPCC. The commonly accepted definition of sustainable development is defined as, “development that meets the needs of the present with- out compromising the ability of future generations to meet