It's about 150 times as long as The Battle of Fort Sumter
In other words, 177.90 days is 130 times the length of The Battle of Fort Sumter, and the length of The Battle of Fort Sumter is 0.008 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, 1.40 days later. The Battle's only casualties were the accidental shootings of two Union soldiers during the surrender ceremony.
It's about one-two-hundredth as long as Pepi II's reign
In other words, 177.90 days is 0.01 times the length of Pepi II's reign, and the length of Pepi II's reign is 200 times that amount.(a.k.a. Neferkare) (2278 BCE - 2184 BCE)
The sixth dynasty pharaoh of Egypt's Old Kingdom, Pepi II Neferkare ascended to the throne at the age of six and is generally thought to have reigned until his death at the age of one-hundred — a total of 30,000 days. His reign was the longest of any monarch in history.
It's about 250 times as long as The First Transatlantic Flight (Alcock and Brown, 1919)
In other words, 177.90 days is 264 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 0.0038 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 0.6750 days 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 183 days later.
It's about 300 times as long as The First light bulb test (Edison, 1879)
In other words, 177.90 days is 294 times the length of The First light bulb test (Edison, 1879), and the length of The First light bulb test (Edison, 1879) is 0.003 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 0.6040 days until the bulb glass succumbed to the heat and cracked, extinguishing the filament. Within 1,100 days of his success, Edison was selling 45,000 light bulbs per day to large companies across the country.
It's about 500 times as long as The Longest Pro Baseball Game
In other words, 177.90 days is 507 times the length of The Longest Pro Baseball Game, and the length of The Longest Pro Baseball Game is 0.0020 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 0.350 days (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-five-hundred-fiftieth as long as a Giant Tortoise's Lifespan
In other words, 177.90 days is 0.002 times the length of a Giant Tortoise's Lifespan, and the length of a Giant Tortoise's Lifespan is 530 times that amount.(for Adwaita, an Aldabra Giant Tortoise) (Dipsochelys dussumieri, formerly Geochelone gigantea)
Adwaita, an Aldabra Giant Tortoise who lived the later part of his life in the Alipore Zoological Gardens in Kolkata, India, was 91,000 days at the time of his death. Once a pet of Major-General Robert Clive, 1st Baron Clive, who is credited with securing India as a colony of Great Britain, Adwaita lived through the entirety of India's 69,000 days as a British colony.
It's about 650 times as long as The First Indianapolis 500
In other words, 177.90 days is 637.0 times the length of The First Indianapolis 500, and the length of The First Indianapolis 500 is 0.001570 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 0.279260 days. Haroun's average speed through the race was 120 kph (74.59 mph).