1969 - After decades of hunting, endangered sea otter colonies begin to grow again thanks to wildlife refuge in the Aleutians and other legal protections.
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1970 - Families across America have a higher purchasing power than in previous decades.
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1970 - A female census taker shows up at a suburban residence, and population growth from the previous century is explained in an object lesson.
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1970 - A montage shows the development of transportation in American history, from early motorcars to jet planes.
1963 - Alfred Hitchcock makes jokes to the National Press Club about his new film "The Birds," and receives a certificate honoring his decades of contributions to filmmaking.
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1935 - Secretary of War George Dern bestows the Congressional Medal of Honor upon 92-year-old General Greely, who explored the North Pole decades before.