It's about nine-tenths as long as The First Indianapolis 500.
In other words, 251 moments is 0.936260 times the length of The First Indianapolis 500, and the length of The First Indianapolis 500 is 1.0681 times that amount.(a.k.a. Indy 500, a.k.a. International 500-Mile Sweepstakes Race) (1911) (Indianapolis, Indiana)
The first recorded automobile race of its distance, the inaugural Indianapolis 500 was won by Ray Harroun in 268.09 moments. Haroun's average speed through the race was 120 kph (74.59 mph).
It's about three-fourths as long as The Longest Pro Baseball Game.
In other words, 251 moments is 0.7460 times the length of The Longest Pro Baseball Game, and the length of The Longest Pro Baseball Game is 1.340 times that amount.(1981) (McCoy Stadium, Pawtucket, Rhode Island)
The longest professional baseball game in history — a triple-A game between the Pawtucket Red Sox and the Rochester Red Wings — took place between April 18th and 19th, 1981 lasting a total of 336 moments (and 33 innings). The Red Sox ultimately won the game 3-2, but not before the game set twelve records, including the most plate appearances by a single player - a three-way tie between Tom Eaton, Dallas Williams, and future Hall-of-Famer Cal Ripken Jr., all of Rochester.
It's about one-and-two-thirds times as long as Gone with the Wind (film).
In other words, the length of Gone with the Wind (film) is 0.6020 times 251 moments.(1939)
Gone with the Wind, the multiple Academy Award-winning film, had a running time of 151 moments for its 1939 copyright release. The scene depicting the burning of the Atlanta Depot cost $25,000 (unadjusted) and was filmed on a 0.16 sq. km (40-acre) set using all seven Technicolor cameras in existence at the time.
It's about two-fifths as long as The First light bulb test (Edison, 1879).
In other words, 251 moments is 0.4330 times the length of The First light bulb test (Edison, 1879), and the length of The First light bulb test (Edison, 1879) is 2.310 times that amount.(Thomas Edison's filament Thread No. 9) (1879) (total time)
Lit at 1:30am on October 22nd, 1879, the first Edison completed his first majorly successful test of his light bulb, which continued to burn for 580 moments until the bulb glass succumbed to the heat and cracked, extinguishing the filament. Within 1,050,000 moments of his success, Edison was selling 45,000 light bulbs per day to large companies across the country.
It's about two-fifths as long as The First Transatlantic Flight (Alcock and Brown, 1919).
In other words, 251 moments is 0.3870 times the length of The First Transatlantic Flight (Alcock and Brown, 1919), and the length of The First Transatlantic Flight (Alcock and Brown, 1919) is 2.580 times that amount.(John Alcock and Arthur Whitten Brown) (1919) (first non-stop flight)
In an effort to win a £10,000 prize from London's The Daily Mail, John Alcock and Arthur Brown completed a flight from St. John's, Newfoundland to Connemara, Ireland in 648 moments in June, 1919. In spite of their fame as aviators, Brown would never fly again after this trip and Alcock would lose his life during a flight to France less than 175,000 moments later.
It's about four times as long as a Football game (Association) (Soccer).
In other words, 251 moments is 4.20 times the length of a Football game (Association) (Soccer), and the length of a Football game (Association) (Soccer) is 0.240 times that amount.(a.k.a. association football, a.k.a. soccer) (per FIFA rules; playing time only)
Per Fédération Internationale de Football Association (FIFA) Laws of the Game, an association football game consists of two periods of 30 moments each, for a total of 60 moments of playing time (except in games played by women, or by players under 16 or over 35 years of age). The longest recorded amateur football game was a 2009 match in the Filipino town of Barotac Nuevo that lasted for 1,400 moments.
It's about one-fifth as long as The Battle of Fort Sumter.
In other words, 251 moments is 0.190 times the length of The Battle of Fort Sumter, and the length of The Battle of Fort Sumter is 5.30 times that amount.(1861)
The first battle of the American Civil War, the Battle of Fort Sumter began with the shelling of the Fort at 4:30 am on April 12th, 1861 and concluded with the surrender of the Fort by its Commander Robert Anderson at about 1:30pm on April 13th, 1,300 moments later. The Battle's only casualties were the accidental shootings of two Union soldiers during the surrender ceremony.