In context
- When
- Saturday, November 16 197452 years ago
- Category
- Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
- Era
- 20th century · 1970s
- Recorded from
- Wikipedia “On this day” feed
At a glance
Dates: From 1974.
What happened
The Arecibo message is broadcast from Puerto Rico.
November 16 through the years
Other entries on the same calendar day, in order.
- 1974Arecibo message
- 1992Hoxne Hoard
- 1992Suffolk
- 1997Wei Jingsheng
- 1997China
- 20022002–2004 SARS outbreak
- 2004Half-Life 2
- 2005Australia men's national soccer team
- 2009Space Shuttle program
- 2020El Dorado Fire
- 2022Artemis program
Also in 1974
- September 15Air Vietnam Flight 706Air Vietnam Flight 706 is hijacked, then crashes while attempting to land with 75 on board.
- September 17BangladeshBangladesh, Grenada and Guinea-Bissau join the United Nations.
- August 14Turkish invasion of CyprusTurkey launches the second phase of the invasion of Cyprus, which eventually resulted in the Turkish occupation of 37% of Cyprus.
- June 26Universal Product CodeThe Universal Product Code is scanned for the first time to sell a package of Wrigley's chewing gum at the Marsh Supermarket in Troy, Ohio.
- May 4ManasluAn all-female Japanese team reached the summit of Manaslu in the Himalayas, becoming the first women to climb a peak higher than 8,000 me…
- June 1Henry HeimlichIn an informal article in a medical journal, Henry Heimlich introduced the concept of abdominal thrusts, commonly known as the Heimlich m…
- November 21Birmingham pub bombingsBombs exploded in two pubs in central Birmingham, England, killing 21 people and leading to the imprisonment of six people who were later…
- May 18Smiling BuddhaIndia conducted its first nuclear test explosion at Pokhran, the first confirmed nuclear test by a nation outside the five permanent memb…
Sources
- Wikipedia article (text, CC BY-SA 4.0)
- Licence: CC BY-SA 4.0 for adapted text · how we source this
Cite this page
“Arecibo message”, What's On This Date, https://whatsonthisdate.com/app/event/arecibo-message-1974-november-16, accessed October 26, 2026.
Cite the underlying source as well — the source links above go to the record this entry is adapted from.
Questions about this entry
When did Arecibo message happen?
November 16 1974 — 52 years ago, on a Saturday.
Where does this text come from?
Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.
How do I cite this page?
Use the ready-made citation near the sources at the bottom of the page, and follow the source link to cite the underlying record as well.
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