
1933
Work starts on the Golden Gate Bridge. Builders began work on a bridge across the Golden Gate, the narrow entrance to San Francisco Bay.
Wikipedia: Golden Gate BridgePhoto: Frank Schulenburg / Wikimedia Commons (CC BY-SA 4.0)
5 moments from 1925 to 2014: discovery, creativity and courage, each with a source to read more.
5 moments

1933
Photo: Frank Schulenburg / Wikimedia Commons (CC BY-SA 4.0)

1925
Wyoming swore in Nellie Tayloe Ross as its governor. No woman had led any U.S. state before her.
Photo: Unknown author / Wikimedia Commons (Public domain)

2005
Astronomers at Palomar Observatory spotted Eris, a distant dwarf planet. Its discovery led astronomers to agree, for the first time, on what counts as a planet.
Wikipedia: Eris (dwarf planet)Wikipedia: Palomar Observatory
Photo: NASA/ESA/CSA JWST NIRCam; Ana Carolina de Souza Feliciano et al. & Melina Thévenot / Wikimedia Commons (CC BY-SA 4.0)

2007
The Taiwan High Speed Rail line opened, linking Taipei in the north with Kaohsiung in the south.
Wikipedia: Taiwan High Speed Rail
Photo: Rsa / Wikimedia Commons (CC BY-SA 3.0)
2014
A rocket carrying the GSAT-14 satellite lifted off, and with it India's own cryogenic rocket engine flew successfully for the first time.
Wikipedia: GSAT-14Wikipedia: Geosynchronous Satellite Launch Vehicle
Moments chosen for discovery, creativity and courage. Each one links to a source where you can read more; photos are credited to their owners.