The murders of Leno & Rosemary LaBianca by the Manson Family, On This Day in 1969 (repeat)

The atomic bomb codenamed "Little Boy" is detonated above the Japanese city of Hiroshima in the final days of World War 2, On This Day in 1945. (repeat)  

Lizzie Borden's father and stepmother are found murdered in their Fall River, Massachusetts home On This Day in 1892. Suspicion soon falls on 32-year-old Lizzie. (repeat)

Independence Day in America & the story behind the Declaration of Independence, adopted by the Second Continental Congress On This Day in 1776. Plus, a full reading of the Declaration of Independence following the episode. (repeat)

The assassination of Archduke Franz Ferdinand that creates a ripple effect of conflict throughout the 20th century, beginning with the Great War, World War I.  And Canadian runner and activist Terry Fox, who's Marathon of Hope for cancer awareness makes him a Canadian folk hero and inspiration to millions. (repeat)

The Last Will & Testament of English mineralogist James Smithson, who passes away On This Day in 1829 and leaves his entire fortune to the United States of America for the creation of Smithsonian Institution "for the increase and diffusion of knowledge." (repeat)

The Berlin Airlift begins On This Day in 1948, Operation Vittles and Operation Little Vittles. (repeat)

The sensational murder of architect Stanford White On This Day in 1906 and the trial of the century that follows. (repeat)

The Watergate burglars are caught On This Day in 1972.

The ghost story challenge of 1816 during the Year Without A Summer, and Washington Post Publisher Katherine Graham born On This Day in 1917. (repeat)