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The U.S. formally took possession of Alaska

On this day · 18 October 1867
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On Castle Hill in Sitka, the Russian flag came down and the American flag went up, completing a $7.2 million purchase.

Verified · U.S. National Park Service — Super Volcanoes

On October 18, 1867, on Castle Hill in Sitka, the United States formally took possession of Alaska from the Russian Empire. Brigadier General Lovell H. Rousseau and Russian commissioner Alexei Pestchouroff met at the foot of the flagstaff; the Russian flag was lowered, the Stars and Stripes raised, and a brief exchange of words sealed the transfer.

The deal behind the ceremony had been struck in March, when Secretary of State William Seward agreed to pay $7.2 million in gold for a territory roughly the size of Sweden, Finland, and Denmark combined.

Critics mocked the purchase as “Seward’s Folly” — until gold and oil proved otherwise.

It was the nation’s first expansion into noncontiguous territory, and the date is still marked as Alaska Day. Russia, on the older Julian calendar, recorded the handover almost two weeks earlier, a quirk of competing calendars.

$7.2M
purchase price
1867
transfer year

Sources & references

2 references

Well-established. Corroborated by 2 independent sources.

1 U.S. National Park Service — Super Volcanoes Government “On the afternoon of October 18, 1867, Rousseau and Pestchouroff met at the flagstaff on Castle Hill; the Russian flag was lowered, the United States raised, completing the formal transfer.” nps.gov ↗
2 U.S. National Archives government “The Treaty of Cession was signed March 30, 1867, with the United States agreeing to pay Russia seven million two hundred thousand dollars in gold for Alaska.” archives.gov ↗
✓ Last reviewed Jun 7, 2026

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