Launches
ON RECORD23MISSIONS
22 of them reached orbit. The earliest was 1960, the most recent 2022.
ARCHIVE // DAY OF YEAR
23 orbital launches flew on February 26, the earliest of them in 1960, and 22 reached orbit. Wikipedia records 7 spaceflight and astronomy events on February 26. Below are the pictures NASA published on February 26 in 6 different years — each one taken or released on this exact date.
23MISSIONS
22 of them reached orbit. The earliest was 1960, the most recent 2022.
7ENTRIES
Spaceflight and astronomy entries from Wikipedia's record of this date, oldest first — from -747 onward.
6IMAGES
NASA's Astronomy Picture of the Day for February 26, one per year. Some are public domain and some belong to the photographer — each says which.
NASA’s Astronomy Picture of the Day, for this calendar date in each of the last several years.

2026
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain

2025
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain

2024
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain

2023
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain

2022
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
© Dietmar Hager — used with the credit NASA publishes

2021
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain
-747
According to Ptolemy, the reign of the Babylonian king Nabonassar (name in Akkadian pictured) began, marking a new era characterized by the systematic maintenance of chronologically precise historical records.
740s BC ↗-747
According to Ptolemy, the epoch (origin) of the Nabonassar Era began at noon on this date. Historians use this to establish the modern BC chronology for dating historic events.
Ptolemy ↗1616
Galileo Galilei is formally banned by the Roman Catholic Church from teaching or defending the view that the earth orbits the sun.
Galileo affair ↗1935
With the aid of a radio station in Daventry, England, and two receiving antennae, Scottish engineer and inventor Robert Watson-Watt first demonstrated the use of radar.
Daventry ↗1935
Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
Robert Watson-Watt ↗General-audience astronomy and spaceflight — none of it a textbook.
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LISTING
Still the best single argument for why any of this matters, and it leaves the arithmetic in. For a reader who wants the science, not just the awe.
LISTING
The case for leaving Earth, written by someone unsentimental about how hard that is. Suits readers who want the argument rather than the poster.
LISTING
Hard-SF problem solving in The Martian's key — for anyone who liked the engineering more than the peril. The only novel on this list.
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LINKS AMAZON.COM
Event text and thumbnails come from Wikipedia and are used under CC BY-SA 4.0. Images are drawn only from Wikimedia Commons, which does not accept non-free content — each thumbnail links to its file page, where its licence and author are recorded.
Launch records are from The Space Devs’ Launch Library 2. Pictures are NASA’s Astronomy Picture of the Day; NASA imagery is generally not subject to copyright, but individual APOD entries are frequently the property of the photographer, and each caption says which applies.