![Mariner 10, A19830006000, (Smithsonian Photo by Eric Long) [_T8A4238] [NASM2019-01579]](/_next/image?url=%2Fmedia%2Fhistory%2F69140980beda04c8ad6c90af.jpg&w=3840&q=75)
1974
A first look at Mercury. NASA's Mariner 10 became the first spacecraft to fly past Mercury, the planet closest to the Sun.
Wikipedia: Mariner 10Photo: National Air and Space Museum / Wikimedia Commons (CC0)
On this day
29 March in history.
5 moments from 1807 to 2004: discovery, creativity and courage, each with a source to read more.
5 moments
More from 29 March
1807
Vesta is discovered
Heinrich Olbers found Vesta, the brightest asteroid and the only one you can sometimes see without a telescope.
Photo: NASA / JPL / MPS / DLR / IDA / Björn Jónsson / Wikimedia Commons (Public domain)
1871
The Royal Albert Hall opens
Queen Victoria opened the great round concert hall in London, named after her late husband, Prince Albert.
Photo: Diliff / Wikimedia Commons (CC BY-SA 3.0)
1981
Two winners, holding hands
At the first London Marathon, Dick Beardsley and Inge Simonsen crossed the finish line together hand in hand and shared first place. Joyce Smith won the women's race.
Wikipedia: London MarathonWikipedia: Dick Beardsley
Photo: Fuzzypiggy / Wikimedia Commons (CC BY-SA 3.0)
2004
Taipei 101 is the tallest
Taipei 101 in Taiwan was certified as the world's tallest building at the time.
Photo: Taipei Financial Center Corporation / Wikimedia Commons (Public domain)
Moments chosen for discovery, creativity and courage. Each one links to a source where you can read more; photos are credited to their owners.