
National Museum of American History. Public domain.
1822–1823 · Strange schemes
Gregor MacGregor sold land, banknotes, and government posts in a country that did not exist. Then the settlers arrived.
5 min read↗

Campo de' Fiori, Rome; engraving by Giuseppe Vasi, 1752. Public domain.
1633–1659 · Strange schemes
The story promises one poisoner and six hundred dead husbands. The Roman archive holds a real prosecution, disputed identities, and a very different chronology.
5 min read↗

Double Eagle II gondola (the later successful crossing); photograph by Mike Peel, CC BY-SA 4.0.
July 1978 · Into the unknown
In July 1978, Zanussi carried two men almost across the Atlantic. A leak, a storm, and about 110 miles of remaining ocean kept them from the record.
4 min read↗

Scientific American, 5 March 1870. Public domain.
1869–1873 · Strange schemes
In 1870, Alfred Ely Beach sent passengers beneath Broadway in a car moved by air. The demonstration worked. The larger subway he imagined never followed.
4 min read↗

E. Lauro, Cairo, 1898. Public domain.
1898–1899 · Close calls
A French column reached a ruined fort on the White Nile. An Anglo-Egyptian flotilla followed. In 1898, two imperial claims met at Fashoda.
7 min read↗

Photograph, 1872. Public domain.
1859–1872 · Close calls
A pig wandered into an American settler’s garden in 1859. His shot brought troops to San Juan Island, where the border remained unsettled until 1872.
6 min read↗

Later colour depiction of the Caroline going over Niagara Falls, Detroit Publishing Co., c. 1900-1920. Public domain.
1837–1842 · Close calls
A British raid burned an American steamer on the Niagara in 1837. One man died. Years later, a murder trial threatened the peace again.
12 min read↗

Valentine Series postcard, 1904. Public domain.
1904–1905 · Close calls
A Russian squadron mistook Hull trawlers for a threat in 1904. Two fishermen died. Britain and Russia then had to prevent a second disaster.
10 min read↗

Engraving of the USS San Jacinto stopping the Trent, from Edward Sylvester Ellis (1887). Public domain.
1861–1862 · Close calls
A Union captain seized four men from a British mail ship in 1861. Britain demanded their return. The Civil War nearly acquired another front.
10 min read↗

G. Philip, London, 1897; Bibliotheque nationale de France. Public domain.
1895–1899 · Close calls
In 1895, an argument over British Guiana’s boundary brought a threat from Washington. A treaty eased the crisis. Its map did not settle the dispute.
10 min read↗

USS Greenlet at Hunters Point, San Francisco, May 1950; contextual period photograph, not the operation vessel. U.S. Navy. Public domain.
September 1950 · Into the unknown
In 1950, the military released bacteria off San Francisco without warning residents. A later hospital outbreak raised a question the surviving evidence could not settle.
4 min read↗

NASA satellite view of Bering Island, 1992. Public domain.
1741–1742 · Into the unknown
His expedition reached the American coast. The voyage home ended in a wreck, a winter camp, and a boat the survivors had to build themselves.
5 min read↗

Later illustration of the Darien expedition leaving Leith, 1698; by Paul Hardy in Cassell's History of England (1909). Public domain.
1698–1700 · Strange schemes
Five ships sailed to build a Scottish trading colony in 1698. When the next expedition arrived, the settlement had already been abandoned.
5 min read↗

Map of the disputed territory, 1839 (engraved by William James Stone), Digital Commonwealth. Public domain.
1839–1842 · Close calls
Maine sent an armed posse into disputed forest in 1839. Arrests and military preparations followed. The Aroostook War ended at a negotiating table.
18 min read↗