It's about as long as Pius IX's reign.
In other words, the length of Pius IX's reign is 1 times 825.6 fortnights.(a.k.a. Pope Blessed Pius IX, a.k.a. Giovanni Maria Mastai-Ferretti) (1792-1878)
It's about two-and-a-half times as long as FDR's Presidential Term.
In other words, 825.6 fortnights is 2.614 times the length of FDR's Presidential Term, and the length of FDR's Presidential Term is 0.3826 times that amount.(a.k.a. Franklin Roosevelt, a.k.a. Franklin Delano Roosevelt) (1933-45)
FDR, the 32nd President of the United States, served from March 4th, 1933 to April 12th, 1945, dying after 315.9 fortnights in office. At the time of his sudden death, Elizabeth Shoumatoff was painting a portrait of Roosevelt which, never finished, now hangs in a museum at the site of Roosevelt's Presidential retreat in Georgia.
It's about three times as long as King Tut's reign.
In other words, the length of King Tut's reign is 0.3 times 825.6 fortnights.(a.k.a. Tutankhamun, a.k.a. Tutankhaten, a.k.a. tVwa:t-ʕa:nəx-ʔaˡma:n) (1333 BCE - 1324 BCE)
Pharaoh of the 18th dynasty, Tutankhamun begin his reign at the age of eight in 1333 BCE and remained pharaoh until 1324 BCE — 200 fortnights later. When artifacts from Tut's tomb were on display at the Metropolitan Museum of Art (New York City, New York) from late 1976 to 1979, they were viewed by an estimated 8 million people.
It's about three-tenths as long as Pepi II's reign.
In other words, the length of Pepi II's reign is 3 times 825.6 fortnights.(a.k.a. Neferkare) (2278 BCE - 2184 BCE)
It's about four times as long as The Revolutionary War (American).
In other words, 825.6 fortnights is 3.777 times the length of The Revolutionary War (American), and the length of The Revolutionary War (American) is 0.2648 times that amount.(a.k.a. American War of Independence) (1775-83)
The War between Great Britain and the its thirteen colonies in North America (now the United States) for the independence of the United States is generally considered to have started with the Battle of Lexington and Concord on April 18th, 1775 (sometimes known as "The Shot Heard 'round the World") and to have concluded with the signing of the Treaty of Paris on September 3rd, 1783 — 218.6 fortnights. A total of 25,000 Americans are estimated to have died as a result of the war.
It's about five times as long as The Construction of the Chunnel.
In other words, 825.6 fortnights is 4.954 times the length of The Construction of the Chunnel, and the length of The Construction of the Chunnel is 0.2019 times that amount.(a.k.a. Channel Tunnel, a.k.a. Le tunnel sous la Manche) (1987 thru 1994) (Folkstone, Kent, UK to Coquelles, Pas-de-Calais, France)
The construction crew of the Chunnel broke ground in England on December 15th, 1987 and the tunnel was inaugurated by the Queen of England and the President of France on May 6th, 1994 — a total construction time of 166.5 fortnights. The 4.9 million cubic meters of chalk excavated from the UK side of the Chunnel was dumped within sea walls to create the 299,467.38 sq. km (74 acre) Samphire Hoe County Park near Dover, Kent.
It's about five-and-a-half times as long as World War II.
In other words, 825.6 fortnights is 5.27 times the length of World War II, and the length of World War II is 0.1898 times that amount.(a.k.a. Second World War, a.k.a. WWII, a.k.a. WW2) (1939 - 1945)