6 September in history.

1522

The first voyage around the world. The ship Victoria, with 18 survivors led by Juan Sebastián Elcano, returned to Spain, completing the first voyage around the world.

Wikipedia: Magellan expedition

Photo: Anonymous Unknown author / Wikimedia Commons (Public domain)

More from 6 September

1. 

   1803

   Symbols for atoms

   John Dalton began using little circles with marks to stand for different atoms, an early step in modern chemistry.

   Wikipedia: John DaltonWikipedia: History of atomic theory

   Photo: Thomas Phillips / Wikimedia Commons (Public domain)

2. 

   1870

   A woman casts a vote

   Louisa Ann Swain of Laramie, Wyoming, cast a ballot in a general election. No woman in the United States had done so before.

   Wikipedia: Louisa Swain

   Photo: Alice Stone Blackwell / Wikimedia Commons (Public domain)

3. 

   1916

   Shopping for yourself

   Clarence Saunders opened Piggly Wiggly in Memphis, the first self-service grocery store, where shoppers took items off shelves themselves.

   Wikipedia: Piggly Wiggly

   Photo: Billy Hathorn / Wikimedia Commons (CC BY-SA 3.0)

4. 

   2018

   India decriminalises love

   India's Supreme Court struck down a colonial-era law against same-sex relationships.

   Wikipedia: Section 377

   Photo: Ronakshah1990 / Wikimedia Commons (CC BY-SA 4.0)

Moments chosen for discovery, creativity and courage. Each one links to a source where you can read more; photos are credited to their owners.