In this chart we can observe how the number of UFO sightings increases over the years.
In 1993, the number starts to increase until it peaks in 2012, where 6252 UFOs were spotted.
Then, untill 2014, the number of sightings has a decrease of 69% when compared to 2012, where 1931 UFOs were spotted.
World Events
1978 - Arcades
Space Invaders, created by Tomohiro Nishikado, revolutionized
the video game industry.
1933 - X - Files
The show X-Files premiered on the Fox Network in September. It was declared a "cultural" touchstone of the 1990s.
2012 - End of the World
According to eschatological beliefs, a set of cataclysmic events would set to occour on 21 of December 2012, that would lead to the end of the world.
2015 - California, Nevada
Thousands of onlookers across three states saw a streak of light leaving a
green trail. The US Navy says it was an unarmed missile test.