More interesting old photographs...  Gathered from emails and the internet.

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Boxing in Yankee stadium (1923).

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A Russian spy laughing through his execution (1939).

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The evacuation of Saigon, in which some 45 UH-1 Hueys and one CH-47 Chinook were pushed overboard to make room for others to land (1975).

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The first passengers on the brand new New York subway (1904).

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Ernest Hemingway at a Havana bar (date unknown).

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Princeton students after a Freshman/Sophomore snowball fight (1893).

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Policemen inspect a "lumber truck" that smelled of alcohol during prohibition (1926).

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Archduke Franz Ferdinand with his wife on the day they are assassinated, which contributed to the start of WWI (1914).

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A native American watching the newly completed transcontinental railroad in Nevada (1868).

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The oldest running car on the planet: the 1884 De Dion, Bouton et Trepardou Dos-à-Dos.

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A newly liberated French citizen happily lights Winston Churchill's cigar (1944).

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A US soldier offering his hand to a woman leaving a cave during WWII.

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Queen Elizabeth during her WWII service.

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A last picture of the Titanic before sinking (1912).

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A pyramid of helmets from captured German soldiers on display in New York (1918).

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Construction of Brasilia City, which would later become the capital of Brazil (1960).

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Boeing 707 doing a barrel roll.  When questioned about the stunt, the test pilot said: "just selling airplanes."

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Niels Bohr and Albert Einstein debating over quantum mechanics (1925).

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Fidel Castro and Malcolm X (1960).

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106-year-old Armenian woman protecting her home with an AK-47 (1990).

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Star Wars set at lunchtime.

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A WWI submarine washed ashore on the beach in England.

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William Harley and Arthur Davidson (1914).

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Execution of a German communist in Munich (1919).

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Muhammad Ali trying to talk down a suicidal man (1981).

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Construction of Mt. Rushmore National Memorial (1939).

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The assembly line of Porsche 911s at the Stuttgart factory (1970).

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American soldiers discover Manet's painting hidden in the salt mines of Merker, Germany (1945).

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John Young and Charles Duke training for the Apollo 16 mission in the New Mexico desert.

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A rebel soldier tosses a grenade into a loyalist position in Burgos, Spain (1936).

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Anne Frank pokes her head out of her family's flat in Amsterdam (1942).

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Archaeologist Howard Carter examining the opened sarcophagus of King Tut.

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Hitler inspecting the massive 800mm "Schwerer Gustav" railway gun - the largest-caliber rifled weapon ever used in combat (1942).

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Russian soldiers preparing for a gas attack against German positions (1916).

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Eyes of hate: a photo of Goebbels after finding out his photographer is Jewish.

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The first Wal-Mart store opened in 1962 by Sam Walton.  It was called Walton's Five and Dime.

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The Boeing B-29 Superfortress bomber that dropped the nuclear bomb over Hiroshima.

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Albert Einstein's desk photographed the day after his death.
Einstein once said:
"If a cluttered desk is a sign of a cluttered mind, what is an empty desk a sign of?"

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B-32 Bomber Factory in Fort Worth, Texas (1944).
The B-32 was a late war project to add additional heavy bomber capability,
but was too late and saw little action.

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The Cologne Cathedral amidst the ruins (1944).
Extreme effort was expended by the allies to avoid bombing the cathedral.

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A rare photo of a young Winston Churchill (1895).
The British did have some impressive uniforms.

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The construction of the Golden Gate Bridge in San Francisco (1937).
Hard to imagine it was only completed a few years before the commencement of WWII.
Completed in April 1937, opened to traffic in May 1937.

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Pre-Taliban days in Afghanistan when women enjoyed professional careers, university education, etc...
By the mid-90s, the Taliban outlawed employment and education of women over the age of 8.

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Gadget, the first atomic bomb, detonated at the Trinity Site.

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The night they ended Prohibition (December 5, 1933).

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German prisoners marching to Moscow after their defeat at Belarus (1944).

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Testing a bulletproof vest (1923).

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Gas masks for babies tested at an English hospital (1940).

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Control room of the UB-110 German submarine (1918).

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A V-1 flying bomb "buzzbomb" plunging toward London (1945).

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Buzz Aldrin taking a selfie in space (1966).

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Samuel Reshevsky, age 8, defeating several chess masters at once in France (1920).
One fellow, third from right, seems rather frustrated.

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USAAF B-25 sinks Japanese destroyer Amatsukaze off the coast of Xiamen, China (1945).

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An assassin attacking the socialist politician Inejiro Asanuma in Tokyo, Japan (1960).
They take their politics seriously.

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A woman who survived the Nagasaki bombing (1945).

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The first car factory in the US for Ford (1926).

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Allied forces mocking Hitler (1945).

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A US soldier replacing "Adolf-Hitler-Str." sign with "Roosevelt Blvd." in Berlin, Germany (1945).

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The 2,800 year old kiss.

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Nine Kings in one photo (1910).
Are moustaches and uniforms required to be a king?

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Mark Twain pays a visit to Nikolai Tesla's lab (1894).