You're one of the first people who's never lived in a world without The Lord of the Rings.
In May 2015, Julie Beck wrote about how scientists have honored and analyzed J. R. R. Tolkien's fantasy epic.
Around the time you were born, Kermit the Frog made his television debut.
As Rebecca Greenfield recounted in March 2011, not all of Jim Henson's early creation were as adorable as Kermit.
You were born in May of 1955. This year, The Atlantic celebrates its 160th birthday, making it 2 times as old as you.
The year you were born, Joseph S. Clark, Jr. wrote about the scarcity of good men in politics.
Everett Collection
This is what Hollywood thought teenagers looked like the year you became one.
Wild in the Streets was released in 1968.
NASA
At 14 years old, you were alive to behold people walking on the moon.
Over the years, the moon landing has come to be lauded as the pinnacle of human achievement, although it was often derided at the time. In 1963, NASA astronauts took to The Atlantic to plead the case for landing on the moon.
Around your 18th birthday, the first handheld mobile call was made by Martin Cooper of Motorola.
In April 2013, Zachary M. Seward looked back at the first time a mobile phone call was placed.
Your life can be divided into two halves: before and after Microsoft Windows.
In December 2006, James Fallows wrote about Microsoft's efforts to improve the influential operating system.
Dion Ogust
In 1986, Ann M. Martin, who was born the same year as you, released the first book in The Baby-Sitters Club series.
In August 2012, Jen Doll wrote about the impact of the Baby-Sitters Club novel series.
NASA / JPL-Caltech / Space Science Institute
When you turned 52, you watched humankind reach the outer solar system.
With NASA's Cassini-Huygens mission in 2005, humans landed a probe in the outer reaches of the solar system for the first time, a moment Ross Andersen called the most glorious mission in the history of planetary science.
By the time you turn 65, scientists estimate it will no longer be possible to keep global temperatures from rising at least 1.5 degrees Celsius.
In December 2015, Robinson Meyer wrote about why scientists had accepted this fact.
History is happening all around you, every day.
The Atlantic is here to help you process it, in stories like these:
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