It's about seven-tenths as long as Pepi II's reign.
In other words, the length of Pepi II's reign is 1 times 810.8 molads.(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 1,000 molads. His reign was the longest of any monarch in history.
It's about two times as long as Pius IX's reign.
In other words, 810.8 molads is 2.071 times the length of Pius IX's reign, and the length of Pius IX's reign is 0.4829 times that amount.(a.k.a. Pope Blessed Pius IX, a.k.a. Giovanni Maria Mastai-Ferretti) (1792-1878)
It's about one-fourth as long as a Giant Tortoise's Lifespan.
In other words, 810.8 molads is 0.26 times the length of a Giant Tortoise's Lifespan, and the length of a Giant Tortoise's Lifespan is 3.8 times that amount.(for Adwaita, an Aldabra Giant Tortoise) (Dipsochelys dussumieri, formerly Geochelone gigantea)
It's about five-and-a-half times as long as FDR's Presidential Term.
In other words, 810.8 molads is 5.414 times the length of FDR's Presidential Term, and the length of FDR's Presidential Term is 0.1847 times that amount.(a.k.a. Franklin Roosevelt, a.k.a. Franklin Delano Roosevelt) (1933-45)
It's about seven times as long as King Tut's reign.
In other words, the length of King Tut's reign is 0.1 times 810.8 molads.(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 — 100 molads 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 eight times as long as The Revolutionary War (American).
In other words, 810.8 molads is 7.824 times the length of The Revolutionary War (American), and the length of The Revolutionary War (American) is 0.1278 times that amount.(a.k.a. American War of Independence) (1775-83)
It's about ten-and-a-half times as long as The Construction of the Chunnel.
In other words, 810.8 molads is 10.26 times the length of The Construction of the Chunnel, and the length of The Construction of the Chunnel is 0.09747 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 78.94 molads. 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.