Thomas D'Alesandro III was Mayor of Baltimore

Baltimore

Baltimore is the largest independent city in the United States and the largest city and cultural center of the US state of Maryland. The city is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay. Baltimore is sometimes referred to as Baltimore...

 from 1967 to 1971. He is the brother of former Speaker of the United States House of Representatives

Speaker of the United States House of Representatives

The Speaker of the United States House of Representatives, or Speaker of the House, is the presiding officer of the United States House of Representatives...

 Nancy Pelosi

Nancy Pelosi

Nancy Patricia D'Alesandro Pelosi is the Minority Leader of the United States House of Representatives and served as the 60th Speaker of the United States House of Representatives from 2007 to 2011...

, and son of former Baltimore Mayor Thomas D'Alesandro, Jr.

Thomas D'Alesandro, Jr.

Thomas J. D'Alesandro, Jr. was an American politician who was a U.S. Representative from Maryland's 3rd congressional district and subsequently the mayor of Baltimore, Maryland...

 who served from 1947 to 1959.

D'Alesandro attended Loyola College in Baltimore and studied law at the University of Maryland School of Law. After military service he entered into politics, becoming president of the Baltimore City Council

Baltimore City Council

The Baltimore City Council is the legislative branch that governs the City of Baltimore and its nearly 700,000 citizens. Baltimore has fourteen single-member City Council districts and representatives are elected for a four-year term. To qualify for a position on the Council, a person must be...

 in 1963. He ran for mayor in 1967 as a Democrat

Democratic Party (United States)

The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

 and easily defeated Republican

Republican Party (United States)

The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

 challenger Arthur W. Sherwood.

His term as mayor was dominated by budgetary troubles and by the rioting which followed the assassination of Martin Luther King, Jr.