You're one of the first people who's never lived in a world without helicopters.
In June 2012, Brian Resnick wrote about University of Maryland's Colin Gore and the test flight of his human-powered helicopter.
Around the time you were born, Germany invaded Denmark and Norway in Operation Weserübung.
In July 2011, The Atlantic looked back on the photos of World War II.
You were born in April of 1940. This year, The Atlantic celebrates its 160th birthday, making it 2 times as old as you.
The year you were born, Arnold Whitridge wrote about the college undergraduates that petitioned the President not to intervene in Europe during World War II.
Around your 18th birthday, the World's Fair began in Brussels, marking the official opening of the iconic Atomium.
Although the building was intended to be temporary, it was still in use nearly 50 years later, as depicted in this photo gallery.
AP
In 1964, John Lennon, who was born the same year as you, performed for the first time in the U.S. on The Ed Sullivan Show as a founding member of the Beatles.
In the July/August 2014 issue of the magazine, Joshua Wolf Shenk wrote about the brilliance of the creative collaboration between Lennon and Paul McCartney.
NASA
At 29 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.
Your life can be divided into two halves: before and after "test-tube babies."
In October 2010, Cristine Russell wrote about the practice of in vitro fertilization (IVF) becoming more common.
NASA / JPL-Caltech / Space Science Institute
When you turned 67, 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.
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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