In this photograph, taken by Kevin Smith on January 18, 1968, American singer and actress Eartha Kitt questions President Lyndon B. Johnson during a "Women Doers" luncheon hosted by First Lady Lady Bird Johnson. Mrs. Johnson hosted the luncheon series to encourage discussion of the roles women could take to address various social issues. The topic for the January 18 luncheon was "Crime on the Streets." Kitt, who was invited to speak at the luncheon due to her work with at-risk youth, defended anti-Vietnam War protestors and spoke critically on President Johnson's policies regarding taxes, social welfare, and childcare. Due to her remarks, Kitt faced media backlash and career repercussions that lasted several decades.

This black-and-white photograph, taken by Cecil Stougton on March 11, 1965, shows twelve young protesters staging a sit-in demonstration in the Ground Floor Corridor of the White House. The demonstrators were protesting on behalf of civil rights for African Americans, following violence by law enforcement officers on nonviolent demonstrators in Selma, Alabama on March 7, 1965. The protesters entered the White House through the visitor’s entrance as part of regularly scheduled visitor hours from 10:00 am to 12:00 pm. At 4:55pm, President Lyndon B. Johnson summoned Secret Service Agent Rufus Youngblood with instructions to remove the protesters.

This black-and-white photograph, taken by Cecil Stougton on March 11, 1965, shows twelve young protesters staging a sit-in demonstration in the East Garden Room. The demonstrators were protesting on behalf of civil rights for African Americans, following violence by law enforcement officers on nonviolent demonstrators in Selma, Alabama on March 7, 1965. The protesters entered the White House through the visitor’s entrance as part of regularly scheduled visitor hours from 10:00 am to 12:00 pm. At 4:55pm, President Lyndon B. Johnson summoned Secret Service Agent Rufus Youngblood with instructions to remove the protesters.

This black-and-white photograph, taken by Cecil Stougton on March 11, 1965, shows twelve young protesters staging a sit-in demonstration in the East Garden Room. The demonstrators were protesting on behalf of civil rights for African Americans, following violence by law enforcement officers on nonviolent demonstrators in Selma, Alabama on March 7, 1965. The protesters entered the White House through the visitor’s entrance as part of regularly scheduled visitor hours from 10:00 am to 12:00 pm. At 4:55pm, President Lyndon B. Johnson summoned Secret Service Agent Rufus Youngblood with instructions to remove the protesters.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, women cross an intersection in Washington, D.C, possibly en route to a demonstration against the Vietnam War, held in front of the north gate of the White House.

This photograph, taken on January 28, 1938, shows five female hosiery workers protesting against the American boycott of Japanese silk. Three hundred women from the American Federation of Hosiery Workers marched from Union Station to the White House to protest the boycott, which the United States implemented in response to Japan's invasion of China in 1937. In this photograph, a woman holds a sign which asks "Were your lisle stockings made in Nazi Germany?"

This photograph of anti-war protesters in front of the White House was taken on February 10, 1971. Thousands of demonstrators marched along Pennsylvania Avenue, in front of the White House to protest President Richard M. Nixon's expansion of the Vietnam War with a military campaign into Laos. This was one of many protests against the Vietnam War, which lasted from 1955-1975.

This photograph, taken on March 12, 1965, shows African American demonstrators holding a protest near the White House. The protesters carry signs condemning police brutality and demanding the right to vote. The protest was held in response to violence by police against civil rights protesters in Selma, Alabama. On March 7, 1965, protesters marching from Selma to Montgomery, Alabama were assaulted by police, in what became known as "Bloody Sunday."

This photograph, taken on January 19, 1968, shows demonstrators staging a protest of the Vietnam War in front of the north fence of the White House. The protesters carry signs including statements such as "No more...Stop the war!" "Eartha Kitt speaks for the women of America", and "Stop the draft." The previous day, singer and actress Eartha Kitt had become the subject of much controversy for her statements against the war during a luncheon at the White House hosted by First Lady Lady Bird Johnson.

This photograph, taken on the night of October 15, 1969, shows Coretta Scott King, the widow of Dr. Martin Luther King, Jr., holding a candle during a vigil in front of the White House as part of the Moratorium to End the War in Vietnam. Over 250,000 people took part in the march in Washington, D.C. to protest American involvement in the Vietnam War.

This photograph, taken on February 4, 1977, shows conservative activist and STOP ERA organizer Phyllis Schlafly and other demonstrators protesting the Equal Rights Amendment outside of the White House. First introduced in Congress in 1923, the Equal Rights Amendment seeks to ensure equal legal treatment for citizens regardless of sex.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march near Pershing Park, likely en route to a demonstration held outside of the north gate of the White House. The Treasury Building and the historic Hotel Washington are visible in the background. The hotel was renamed the W Washington D.C. in 2009.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march near Pershing Park, likely en route to a demonstration held outside of the north gate of the White House. The Treasury Building and the historic Hotel Washington are visible in the background. The hotel was renamed the W Washington D.C. in 2009.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

In this photograph, taken in December 1969 by National Geographic photographer Joseph J. Scherschel, Vietnam War protesters march along Pennsylvania Avenue. The demonstrators carry signs bearing the names of servicemen from various states who were likely killed in action.

This is a photograph taken by National Geographic Service photographer James P. Blair of the Vietnam protestors lining the North Gates of the White House in June 1966 during the Lyndon B. Johnson administration.

This is a photograph taken by National Geographic Service photographer James P. Blair of Vietnam War protestors handing out flyers and lining the North Gates of the White House in June 1966.