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On This Day

18

September

18 September

More on this day

  • 2001
    25 years ago
    Living memory

    Five letters containing anthrax spores were mailed to various media outlets in the United States.

    Recent enough to sit in living memory - a date many people can still place in their own lifetime.

  • 1981
    45 years ago
    Living memory

    While posing as an aristocrat, Belgian serial killer Nestor Pirotte murdered an antiques dealer in Brussels, for which crime he was sentenced to death.

    Recent enough to sit in living memory - a date many people can still place in their own lifetime.

  • 1964
    62 years ago
    Living memory

    The wedding of King Constantine II of Greece and Princess Anne-Marie of Denmark took place in Athens.

    Recent enough to sit in living memory - a date many people can still place in their own lifetime.

  • 1962
    64 years ago
    Living memory

    Aeroflot Flight 213 crashed into a mountain near Chersky Airport, killing 32 people.

    Recent enough to sit in living memory - a date many people can still place in their own lifetime.

  • 1961
    65 years ago
    Living memory

    An aircraft crashed near Ndola in Northern Rhodesia, resulting in the deaths of 16 people, including United Nations secretary-general Dag Hammarskjöld.

    Recent enough to sit in living memory - a date many people can still place in their own lifetime.

  • 1950
    76 years ago
    Living memory

    Korean War: The Korean People's Army retreated from the Battle of the Pusan Perimeter after six weeks of fighting, marking the farthest that the KPA would advance in the war.

    Conflict on this date is why later maps, borders, and memories still argue about it.

  • 1948
    78 years ago
    Living memory

    The Australian cricket team's Invincibles tour of England concluded; they had played 34 matches, including five Tests, without defeat.

    Recent enough to sit in living memory - a date many people can still place in their own lifetime.

  • 1918
    108 years ago

    World War I: The Central Powers' defeat at the Battle of Dobro Pole played a role in the Bulgarian withdrawal from the war and led to the subsequent liberation of Vardar Macedonia.

    Conflict on this date is why later maps, borders, and memories still argue about it.

  • 1885
    141 years ago

    Five Chinese people were lynched outside of Pierce City in the Idaho Territory.

    A modern-age event whose consequences were still unfolding in living memory.

  • 1879
    147 years ago

    The Blackpool Illuminations (example pictured) in the English seaside town of Blackpool were switched on for the first time.

    A first in knowledge or technology: after this, the possible set of tools was not the same.

  • 1875
    151 years ago

    The Indianola hurricane dissipated over Mississippi after killing around eight hundred people in Texas.

    A disaster date - kept because communities still measure risk, grief, and rebuilding from it.

  • 1873
    153 years ago

    Panic of 1873: The American bank Jay Cooke & Company declared bankruptcy, setting off a chain reaction of bank failures.

    A modern-age event whose consequences were still unfolding in living memory.

  • 1870
    156 years ago

    Nathaniel P. Langford of the Washburn–Langford–Doane Expedition first observed a geyser in the Wyoming Territory erupting at regular intervals, naming it Old Faithful (video featured).

    A first in knowledge or technology: after this, the possible set of tools was not the same.

  • 1851
    175 years ago

    The New York Times, the largest metropolitan newspaper in the United States, was founded.

    A modern-age event whose consequences were still unfolding in living memory.

  • 1850
    176 years ago

    The United States Congress passed the Fugitive Slave Act, decreeing that all escaped slaves be brought back to their masters.

    A modern-age event whose consequences were still unfolding in living memory.

  • 1048
    978 years ago

    Byzantine–Seljuk wars: Byzantine forces defeated their Seljuk opponents in the flanks of the nocturnal Battle of Kapetron, but learned of their Georgian allies' defeat in the centre the next morning.

    Conflict on this date is why later maps, borders, and memories still argue about it.

  • 324
    1702 years ago

    Constantine the Great decisively defeated Licinius in the Battle of Chrysopolis, establishing Constantine's sole control over the Roman Empire and ending the Tetrarchy.

    Conflict on this date is why later maps, borders, and memories still argue about it.

  • 96
    1930 years ago

    Nerva, the first of the "Five Good Emperors" of ancient Rome, came to power following the assassination of his predecessor Domitian.

    A first in knowledge or technology: after this, the possible set of tools was not the same.

Historical summaries from Wikipedia, available under CC BY-SA 4.0.

On This Day

A time capsule for any date

Open any month and day to see a featured story with how many years ago it was, filter the rest by century, play guess-the-year, save your day, share a moment card, or run a 60-second tour. Summaries come from Wikipedia under CC BY-SA - GClocks adds the time context.

How it works

  1. 01

    Pick a date

    Use Previous / Next, Today, or the date picker. The page URL stays /on-this-day/; the selected date lives in the hash (#m=&d=).

  2. 02

    Open the capsule

    The featured moment shows years ago, era, and a short "why it mattered" note. The rest of that day's stories sit under the fold, with a Wikipedia thumbnail when one exists.

  3. 03

    Play, save, and share

    Guess the year, run a 60-second tour, filter by century, save the date as your day, or share a moment card. Everything stays on this device - no account.

Why use this instead of Wikipedia's list?

Wikipedia's On This Day feed is a long list. GClocks turns the same CC BY-SA summaries into a time capsule: relative time, a century scrubber, a daily year quiz, a 60-second tour, a saveable personal date, and a shareable card - then links you back to the original article when you want the full story.

Everything on this day

  • Featured time capsule

    One story up front with years-ago, era, living-memory, and a Wikipedia thumbnail when one exists.

  • Century filter

    Scrub 2000s, 1900s, and earlier without changing the date. Show all centuries to restore the full list.

  • Guess the year

    A four-choice quiz from that day's entries, with a local streak saved in your browser.

  • 60-second tour

    Auto-play up to three stories for the selected date, about 20 seconds each. Pause, skip, or close anytime.

  • Save as my day

    Keep a birthday or anniversary in the browser, then jump back, open a countdown, or open the matching calendar week.

  • Moment card

    A 1200×630 image of the featured story. Supporting phones open the system share sheet; otherwise it downloads a PNG.

Frequently asked questions

Event, birth, death, and holiday summaries come from Wikipedia’s On This Day feed and are shown under the CC BY-SA license. GClocks adds time context (years ago, era, century). Open a linked Wikipedia article when you need the full story.

Yes. Use Previous / Next, Today, or the date picker. The page URL stays /on-this-day/; the selected date is kept in the hash (#m=&d=).

Some language editions do not publish an On This Day feed for every date. When that happens we fall back to the English summaries.

A short GClocks note by era and type (event, birth, death, holiday) - not an AI rewrite of the Wikipedia article. It is a time-context caption, not extra historical research.

Each date offers a four-choice quiz from that day’s entries. Your first answer of the day counts toward a local streak (saved in your browser). Try another is practice only and does not change the streak.

A short auto-play of up to three stories for the selected date (about 20 seconds each). You can pause, skip, or close it. It is a recap, not a replacement for the full list.

It stores a date (birthday or anniversary) in your browser. You can jump back to it, open a countdown to the next time that date occurs, or open the matching calendar week - all on this device, with no account.

Share moment card builds a 1200×630 image of the featured story. On supporting phones it uses the system share sheet; otherwise it downloads a PNG. The page link still uses #m=&d= so the same date opens for anyone.

The chips under the hero (All, 2000s, 1900s, …) hide list items outside that century. They do not change the date. Show all centuries restores the full list for the active tab.