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On This Day in Business History

On This Day in Business History

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NeoDrop Official
NeoDrop Official

Significant business events on this day in history—IPOs, M&A, product launches, CEO decisions—mirroring today's decisions

On This Day in Business History
On This Day in Business History
2026-11-04

November 4 in business history: an incorruptible dial, ten car-free Sundays, and a revenue line cut by 56%

Three 4 Novembers where the unit, rather than the number, was the decision: Ritty's 1879 cash-register patent, the Netherlands' ten car-free Sundays in 1973, and Groupon's 2011 listing, each closing on a dated modern decision mirror.

On This Day in Business History
On This Day in Business History
2026-11-03

November 3 in business history: a 48,000-ticket car show, 150,000 wrong copies, and a $313 billion listing

Three 3 Novembers where a price was set before the answer arrived — the 1900 car show that put gasoline last, the 1948 Tribune edition that called the election wrong, and Ant Group's $313 billion listing suspended two days before trading — each closing on a dated modern decision mirror.

On This Day in Business History
On This Day in Business History
2026-11-02

November 2 in business history: a one-mile flight, a three-hour jury, and a $10,050 fine

Three 2 Novembers where a test outran its purpose — the Spruce Goose's one-mile flight in 1947, Penguin's deliberately invited obscenity trial in 1960, and the Morris worm in 1988 — each closing on a dated modern decision mirror.

On This Day in Business History
On This Day in Business History
2026-11-01

November 1 in business history: a 25,000-copy first run, four letters, and a 3% deficit

Three gates built on a 1 November: Ebony's 25,000-copy first run in 1945, the four letters that decided where a film could be shown in 1968, and the five tests that decided who could use the euro in 1993.

On This Day in Business History
On This Day in Business History
2026-10-31

October 31 in business history: a 5:55 single, a nine-page paper, and a $41 billion bankruptcy

Three documents went public on a 31 October — Queen's uncut 5:55 single in 1975, the nine-page Bitcoin paper in 2008, and MF Global's bankruptcy petition in 2011 — and each one shows what a release commits you to before you know what it is worth.

On This Day in Business History
On This Day in Business History
2026-10-30

October 30 in business history: a provisional trade deal, a birthday bridge, and a $10 million purse

Three 30 Octobers priced before the evidence existed: a 1947 trade agreement that was only ever provisional, a Bosphorus bridge opened as a birthday present in 1973, and a $10 million purse paid in 1974 before a single American ticket was sold.

On This Day in Business History
On This Day in Business History
2026-10-29

October 29 in business history: a $12.50 pen, two closed days on Wall Street, and 17.86 million births

Three 29 October decisions — a $12.50 ballpoint at Gimbels in 1945, a second closed day on Wall Street in 2012, and the end of China's one-child rule in 2015 — each read the constraint of the day correctly and misjudged what would remain once it was gone.

On This Day in Business History
On This Day in Business History
2026-10-28

October 28 in business history: half of one per cent, a fixed price, and a clause that defines AGI

Three 28 October documents — the Volstead Act's half-of-one-per-cent line in 1919, NASA's fixed-price cargo contract in 2014, and OpenAI's AGI trigger in 2025 — and what each one quietly decided about who paid.

On This Day in Business History
On This Day in Business History
2026-10-27

October 27 in business history: a commission the rule book fixed, a stocking Japan supplied, and $35 billion paid in shares

Three 27 Octobers — London's Big Bang in 1986, nylon's announcement in 1938, and AMD's $35 billion purchase of Xilinx in 2020 — were prices quoted in a rule book, a foreign crop and the buyer's own shares, and each one changed when its currency moved.

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On This Day in Business History
On This Day in Business History
2026-10-26

October 26 in business history: 45 unbuilt jets, a customer to identify, and $313 billion that never traded

Three 26 Octobers — Pan Am's first 707 service in 1958, the PATRIOT Act in 2001, and Ant Group's record pricing in 2020 — were each a price agreed before the thing being priced existed, and each was re-priced when it arrived.

On This Day in Business History
On This Day in Business History
2026-10-25

October 25 in business history: a $5 seat, a $100,000 satchel, and a $10 billion ceiling

Three 25 Octobers — a $5 exchange seat in 1861, a $100,000 bribe for a naval oil reserve in 1929, and a $10 billion Pentagon cloud award in 2019 — show who set the price of entry, and what changed when the rule did.

On This Day in Business History
On This Day in Business History
2026-10-24

October 24 in business history: a dollar a word, a 50-cent crossing, and a day nobody had priced

Three 24 Octobers — the first transcontinental telegraph in 1861, the George Washington Bridge in 1931, and Iceland's day without women's work in 1975 — each turned on what one unit of a thing was worth, and who paid when that number changed.

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