It's about one-one-hundred-fiftieth as long as World War II
In other words, 20,000 minutes is 0.00633 times the length of World War II, and the length of World War II is 157.9 times that amount.(a.k.a. Second World War, a.k.a. WWII, a.k.a. WW2) (1939 - 1945)
The most widespread war in history, the Second World War is generally considered to have started with the German invasion of Poland on September 1st, 1939 and to have until the surrender of Japan on September 2nd, 1945, a total of 3,158,000 minutes. Also the deadliest conflict in history, the war had an estimated 60 million casualties globally.
It's about one-one-hundred-fiftieth as long as The Construction of the Chunnel
In other words, 20,000 minutes is 0.00595 times the length of The Construction of the Chunnel, and the length of The Construction of the Chunnel is 168 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 3,357,000 minutes. 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 200 times as long as a Football game (Association) (Soccer)
In other words, 20,000 minutes is 220 times the length of a Football game (Association) (Soccer), and the length of a Football game (Association) (Soccer) is 0.005 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 45 minutes each, for a total of 90 minutes 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 35 hours and 20 minutes.
It's about one-two-hundredth as long as The Revolutionary War (American)
In other words, 20,000 minutes is 0.00454 times the length of The Revolutionary War (American), and the length of The Revolutionary War (American) is 220.3 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 — 4,406,000 minutes. A total of 25,000 Americans are estimated to have died as a result of the war.
It's about one-two-hundred-fiftieth as long as King Tut's reign
In other words, 20,000 minutes is 0.00 times the length of King Tut's reign, and the length of King Tut's reign is 300 times that amount.(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 — 5,000,000 minutes 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 one-three-hundredth as long as FDR's Presidential Term
In other words, 20,000 minutes is 0.00314 times the length of FDR's Presidential Term, and the length of FDR's Presidential Term is 318.4 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 6,368,000 minutes 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 350 times as long as The Football game (American)
In other words, 20,000 minutes is 330 times the length of The Football game (American), and the length of The Football game (American) is 0.00 times that amount.(a.k.a. American football) (per NFL rules; playing time only)
Per National Football League Rules, an American football game consists of four periods of 15 minutes each for a total of 60 minutes. The total duration of a football game can often be more than three hours, including stoppages of play, the intermission at halftime, team timeouts, and, in televised games, commercial timeouts. The Super Bowl — the highest-profile game of the sport — aired 45 minutes of commercials in 2009.