Single-Border Countries

Countries bordered by only one other country:

  • Lesotho – by South Africa
  • San Marino – by Italy
  • Vatican City – by Italy
  • Qatar – by Saudi Arabia
  • South Korea – by North Korea (across the demilitarized zone)
  • Denmark – by Germany
  • The Gambia – by Senegal
  • Monaco – by France
  • Brunei – by Malaysia
  • Canada – by the United States
  • Portugal – by Spain
  • Dominican Republic – by Haiti
  • Haiti – by Dominican Republic
  • Brunei – by Malaysia
  • Papua New Guinea – by Indonesia
  • East Timor – by Indonesia
  • Republic of Ireland – by the United Kingdom
| Trivia

Human Life Expectancy

Average human lifespan, by era:

  • Neanderthal: 20 years
  • Neolithic: 20 years
  • Classical Greece: 28 years
  • Classical Rome: 28 years
  • Medieval England: 33 years
  • End of 18th century: 37 years
  • Early 20th century: 50 years
  • Circa 1940: 65 years
  • Current (in the West): 77-81 years

Today the average Zambian dies at age 37, the average Japanese at age 81.

| History · Science & Math · Trivia

Death Tolls

  • 300 million – smallpox, worldwide, 20th century
  • 200 million – bubonic plague, worldwide, 1300s
  • 62 million – World War II
  • 60 million – Mongol conquests, 13th century
  • 19 million – AIDS, worldwide to date
  • 1 million – Irish potato famine, 1846-1849
  • 830,000 – Shaanxi earthquake, China, 1556
  • 650,000 – Deaths in the Roman Colosseum for public entertainment, 80-404
  • 36,000 – Krakatoa eruption, Indonesia, 1883
  • 15,000 – Holy Inquisition, 1184-1800
  • 1,517 – RMS Titanic, 1912
  • 300 – Great Chicago Fire, 1871
  • 270 – Pan Am Flight 103, Lockerbie, Scotland, 1988
  • 36 – Hindenburg disaster, Lakehurst, N.J., 1937
  • 7 – Space shuttle Challenger, Florida, 1986
  • 4 – Kent State shootings
| Death · History · Trivia

Stature

Tallest U.S. presidents:

  • Abraham Lincoln 6’3.75″
  • Lyndon B. Johnson 6’3.5″
  • Thomas Jefferson 6’2.5″
  • Chester A. Arthur 6’2″
  • George H.W. Bush 6’2″
  • Franklin D. Roosevelt 6’2″

And shortest:

  • John Adams 5’7″
  • John Quincy Adams 5’7″
  • William McKinley 5’7″
  • Benjamin Harrison 5’6″
  • Martin Van Buren 5’6″
  • James Madison 5’4″
| History · Trivia

And 5,000 Visitors Per Day

The White House has:

  • Six stories and 55,000 square feet of floor space
  • 134 rooms, including 35 bathrooms
  • 412 doors and 147 windows
  • 28 fireplaces
  • Eight staircases
  • Three elevators
  • A tennis court
  • A bowling lane
  • A movie theater
  • A jogging track
  • A swimming pool

Harry Truman called it “the finest prison in the world.”

| Trivia