It's about as long as The First movie
(1888) (Roundhay Garden Scene, National Museum of Photography, Film, and Television restored copy)
Filmed in 1888 by Louis Aimé Augustin Le Prince, Roundhay Garden Scene is the oldest surviving motion picture with a total running time of 0.000000006690 decades.
It's about three-tenths as long as a Pit Stop
It's about one-fifth as long as The First airplane flight (Wright Flyer, 1903)
In other words, 0.000000006690 decades is 0.18 times the length of The First airplane flight (Wright Flyer, 1903), and the length of The First airplane flight (Wright Flyer, 1903) is 5.6 times that amount.(Wright Flyer) (1903)
The first successful airplane flight was made by Orville Wright on December 17th, 1903 and lasted 0.0000000380 decades, covering a horizontal distance of 37 m (121.39 ft). The stopwatch used by Orville and his brother Wilbur to time this flight is on display at the Smithsonian National Air and Space Museum in Washington, D.C.
It's about one-twenty-fifth as long as The San Francisco earthquake of 1906
In other words, 0.000000006690 decades is 0.040 times the length of The San Francisco earthquake of 1906, and the length of The San Francisco earthquake of 1906 is 24.9 times that amount.(1906) (Mussel Rock Fault, California) (sensible duration)
The San Francisco earthquake of 1906 caused perceptible shaking of the ground for about 0.0000001660 decades. The most devastating natural disaster in California's history, the quake was felt as far away and southern Oregon and western Nevada, and resulted in about 3,000 deaths, the displacement of 55% - 70% of the city's population, and the shifting of some spots of ground by up to 6 m (20 ft).
It's about one-three-hundred-fiftieth as long as The First spacewalk
In other words, 0.000000006690 decades is 0.003 times the length of The First spacewalk, and the length of The First spacewalk is 340 times that amount.(1965) (Alexi Lenovo, a.k.a. Алексе́й Архи́пович Лео́нов)
On March 18th, 1965, during the Voskhod 2 Soviet space mission, cosmonaut Alexey Arkhipovich Leonov conducted the first human spacewalk, which lasted 0.00000230 decades. The total mission length was 0.0003 decades.
It's about one-five-hundredth as long as Louis-Antoine's reign
In other words, 0.000000006690 decades is 0.00 times the length of Louis-Antoine's reign, and the length of Louis-Antoine's reign is 500 times that amount.(a.k.a. Louis-Antoine d'Artois, petit-fils de France, fils de France, duc d'Angoulême, a.k.a. Count of Marnes) (1830)
Following his father, Charles X's, abdication on the eve of the 1830 French Revolution, Louis-Antoine d'Artois was technically king for a period of approximately 0.00000400 decades on August 2nd, 1830. Louis-Antoine's only official act as king was to abdicate the throne to his nephew, the Henri, the Duke of Bordeaux.
It's about one-one-thousand-five-hundredth as long as a Basketball game
In other words, 0.000000006690 decades is 0.00073 times the length of a Basketball game, and the length of a Basketball game is 1,360 times that amount.(NBA regulation; playing time only)
Per National Basketball Association rules , a basketball game (without an overtime) consists of four periods of 0.000002280 decades each, for a total of 0.000009130 decades of playing time. The first basketball game, played in a Springfield Massachusetts YMCA, was played in 0.00000570 decades and ended with a score of 1-0.