Checking the claim that Wellington visited Canada
Wellington's post-Waterloo appointments leave no obvious time for a Canadian visit, despite local traditions associating his name with the country.
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Complete directory
Browse all time notes.
Explore every watch point in reverse video-date order, then in timestamp order within each video.
Did Britons see the War of 1812 as a betrayal?
The language of American betrayal reflected a sincerely held British wartime perception.
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U-156 and the 1918 action off Orleans
During the Orleans action, a German U-boat attacked coastal traffic, exchanged fire with flying boats, and accidentally sent shells onto American soil.
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Why U-156 would conserve its torpedoes
U-156 carried far more gun ammunition than torpedoes, making gunfire a plausible choice against a slow tug and its tows.
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Did U-152's crew buy newspapers in Rhode Island?
The Rhode Island newspaper story remains uncertain, while Deutschland's commercial voyages provide firmer evidence of German submarine visits to America.
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The Peter Iredale wreck beside Fort Stevens
The four-masted barque Peter Iredale links Fort Stevens to an earlier story of sail, grounding, rescue, and an unsuccessful salvage attempt.
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Fort Stevens and submarine gunfire limits
The Japanese shelling of Fort Stevens produced far more alarm than military damage.
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Could the post-Napoleonic settlement reopen the Louisiana Purchase?
Renewed European claims to the Louisiana Purchase were a speculative post-1814 possibility that linked diplomacy to the problem of demobilizing Napoleon's veterans.
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Were Fort Stevens' guns upgraded?
Fort Stevens' guns were eventually upgraded.
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Why Japan occupied the Aleutian Islands
The occupation of Attu and Kiska served several aims at once: protecting Japan's northern approaches, complicating the Midway campaign, and claiming American territory for psychological effect.
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Was the Aleutian campaign only a Midway diversion?
The Aleutian operation combined a diversionary role with a separate aim of extending Japan's defensive perimeter.
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Kinkaid's path from battleships to North Pacific command
Kinkaid brought battleship, ordnance, cruiser, and carrier-task-force experience to the recovery of the Aleutians.
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Hosogaya's withdrawal at the Komandorski Islands
Hosogaya's apparent surface advantage at Komandorski competed with the possibility of an unseen American carrier force.
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The carrier raids on Dutch Harbor
Two small Japanese carriers struck Dutch Harbor, damaged its facilities, and inadvertently gave the United States a recoverable Zero fighter for technical study.
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Ryujo, Junyo, and the limits of carrier readiness
The Dutch Harbor carrier force combined Ryujo's small hull with Junyo's limited time to work up after conversion.
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Dutch Harbor's improvised ground defense
Gun crews, infantrymen, and civilian contractors improvised defenses during and between the two Japanese raids on Dutch Harbor.
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Aleutian supply lines and the unfinished Alaska Highway
The Alaska Highway was newly authorized when the Aleutian campaign began, leaving American forces dependent on distant support.
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Kiska's weather station and William House's evasion
Kiska's tiny weather-station detachment was overwhelmed, while William House evaded capture for fifty days before starvation forced his surrender.
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Was the Akutan Zero an advanced prototype?
The Akutan aircraft was an improved Zero with intelligence value because American investigators had not examined that generation so closely.
From Bombardment of Ellwood ·
Could the Aleutians become an invasion route to Japan?
Severe currents, distance, cold, and supply requirements made an advance toward Japan through the Aleutians difficult.
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Evacuating Kiska through the American blockade
Fog allowed two Japanese light cruisers and ten destroyers to evacuate 5,193 men from Kiska through the blockade.
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Attu's civilians under occupation and in captivity
Attu's occupation brought civilian deaths, imprisonment in Japan, and permanent displacement of the surviving villagers.
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Attu's empty interval and costly American recapture
An unnoticed interval without a Japanese garrison preceded the costly American landing on Attu in May 1943.
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Would 6,300 improved Zeros change the Pacific War?
A projected force of 6,300 improved Zero fighters depended on actual production, fuel, and trained personnel.
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Kiska's evacuation and Operation Cottage
Japan evacuated Kiska before the Allied landing, yet mines, booby traps, and friendly fire made Operation Cottage costly against an absent garrison.
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Radar uncertainty in the Battle of the Pips
Uncertain radar contacts prompted two American battleships to fire 518 fourteen-inch shells without a confirmed target or hit.
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Could a telephone cable explain Kiska's radio silence?
The cable explanation for Kiska's radio silence raises a logistical problem and reinforces the case for reconnaissance.
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How a war delayed to 1945 changes naval rearmament
A war delayed to 1945 would allow competing fleet construction and infrastructure investment alongside Japan's aircraft development.
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Eric Brown's first carrier landing by a pure jet
The first jet carrier landing depends on whether the aircraft used pure or mixed power and whether its arrival was controlled.
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Would Britain develop Centurion without wartime experience?
Without wartime experience, British tank development could follow a different timetable even if something like Centurion eventually emerged.
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Yamato and British battleship retention in a delayed war
Discovery of Japan's 18-inch-gun battleships could change which British capital ships were retained or modernized before a later war.
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Could Japan have landed commandos from submarines?
Japanese submarines and naval landing troops offered a hypothetical means of raiding coastal targets and diverting American resources into home defense.
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Marine diesels through a 1938 engineering source
The opening frames marine diesel history through Edgar C. Smith's 1938 engineering account and compares oil engines with steam turbines.
From Marine Diesels: A Short Introduction to their History ·
Metallurgy and systems before engines
A technical aside explains why diesel engines needed metallurgy, quality control, fuel supply, and manufacturing systems before they could mature.
From Marine Diesels: A Short Introduction to their History ·
From producer gas to oil fuel
The early engine story follows producer-gas experiments such as Rattler before petroleum made oil engines more practical for ships.
From Marine Diesels: A Short Introduction to their History ·
Akroyd Stuart and Diesel make compression ignition practical
The core invention section contrasts Akroyd Stuart's hot-bulb work with Rudolf Diesel's high-pressure compression-ignition engine.
From Marine Diesels: A Short Introduction to their History ·
Early motor ships prove the marine case
The marine adoption section moves from a 1902 canal-boat engine to Vandal, reversible engines, and Selandia's ocean-going demonstration.
From Marine Diesels: A Short Introduction to their History ·
Diesel's prestige problem against steam
The comparison with Parsons and Dreadnought explains why steam turbines looked glamorous while diesels began with boats, merchants, and submarines.
From Marine Diesels: A Short Introduction to their History ·
What the evidence can and cannot say about Diesel's disappearance
The account of Rudolf Diesel's final voyage separates documented circumstances from suicide and murder theories, including his planned British submarine-engine discussions.
From Marine Diesels: A Short Introduction to their History ·
Two-stroke diesels and scavenging
The technical explanation shows how two-stroke marine diesels combine strokes, need scavenging air, and later move from blowers to turbochargers.
From Marine Diesels: A Short Introduction to their History ·
Diesel-electric power and submarine space
The Vandal and early French submarines show why diesel favored efficient merchant operation and compact submarine power plants.
From Marine Diesels: A Short Introduction to their History ·
Why diesel lagged in high-speed warships
The conclusion argues that Diesel's 1913 death slowed innovation and left diesels strongest in endurance roles before high-speed applications matured.
From Marine Diesels: A Short Introduction to their History ·
Patents, MAN, and naval submarine adoption
The closing timeline connects patent expiration and pre-combustion research with MAN engines for the Royal Navy and U.S. Navy submarine installations in 1913.
From Marine Diesels: A Short Introduction to their History ·
Where should diesel have spread sooner?
The closing question asks learners to identify a field that could have adopted diesel engines earlier and defend the choice from the technical history.
From Marine Diesels: A Short Introduction to their History ·
Source reliability and why citations matter
Relevance, reliability, and visible citations distinguish usable research from an attractive but unsuitable source.
Presentation polish affects how work is read
A practical aside explains why tidy alignment and paragraph structure can shape a marker's first response even when the underlying content is unchanged.
Read prose aloud to expose weak style
Reading a draft aloud reveals awkward phrasing that silent reading often repairs unconsciously.
Ethics can require more than best practice
A short caution separates accepted best practice from the ethically right action when procedure and judgment no longer align.