Dirksen Senate Office Building
Overview
 
The Dirksen Senate Office Building is the second office building constructed for members of the United States Senate
United States Senate
The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

 in Washington, D.C.
Washington, D.C.
Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

, and was named for the late Minority Leader
Minority leader
In U.S. politics, the minority leader is the floor leader of the second largest caucus in a legislative body. Given the two-party nature of the U.S. system, the minority leader is almost inevitably either a Republican or a Democrat, with their counterpart being of the opposite party. The position...

 Everett Dirksen
Everett Dirksen
Everett McKinley Dirksen was an American politician of the Republican Party. He represented Illinois in the U.S. House of Representatives and U.S. Senate...

 from Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

 in 1972.
On the eve of America’s entry into World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, in 1941, the U.S. Senate authorized the Architect of the Capitol to prepare plans for a second Senate Office Building. The federal government’s expanded role nationally and internationally beginning in the 1930s raised new issues for senatorial action, which in turn required increased staff assistance and created crowded conditions in the Capitol and the original Senate Office Building.
 
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