Mason-Dixon line

The Mason-Dixon line is a demarcation line located at the south border of Pennsylvania, demarcating West Virginia, Maryland, and Delaware. In popular consciousness, it is where the U.S. south begins.

Houston, Texas, is known as Magnolia City, because of the oleander trees along its streets.

Katharine Hepburn was known as "The First Lady of American Cinema" and won four Best Actress Oscars (from 12 nominations).

George I of Britain was the first monarch of the House of Hanover. He reigned 1714-1727 and spoke only German, or at least his English was probably poor.

ENIAC, or Electronic Numerical Integrator and Computer, was built from 1943-1946 at the University of Pennsylvania. It was the world's first general purpose digital computer.

St. Lucia Nobel Prize winners

St. Lucia, the tiny island nation in the Caribbean, has the highest ratio in the world of Nobel Prize winners to its population. Two winners were born in St. Lucia: Sir Arthur Lewis won for Economics in 1979, and Derek Walcott won for Literature in 1992.

Lake Ladoga

Lake Ladoga is the largest lake in Europe. It is located in northwestern Russia, close to Finland.

Dame Edith Evans was an English actress known primarily for her Shakespearean roles and as Lady Bracknell in "The Importance of Being Earnest."

"Abie's Irish Rose" is a play by Anne Nicholas about the wedding of an Irish catholic woman who marries a Jewish man. There were two film versions made.

Ed Lopat was a MLB pitcher for the White Sox and Yankees. Known as 'the Junk Man' for his slow, curve 'junk' pitches; also called 'Steady Eddie.'

Thelma Todd was an actress in many films during the '20s and '30s, notably Marx Brothers films 'Horse Feathers' and 'Monkey Business.' Known as 'the ice cream blonde,' she died of carbon monoxide poisoning under suspicious circumstances.

The Aar (also Aare) is the longest river in Switzerland, at 183 miles. It flows from the Alps to the Rhine.

Jean Arp (birth name Hans) was a German-French artist who was a founding member of the Dada movement in Zurich, 1916.

Ilie Nastase was a Romanian tennis player, ranked #1 in 173-74. He won the 1972 US Open and the 1973 French Open. He was known as the "Bucharest Buffoon."

Yvette Mimieux was a US actress and sex symbol in the 1960 films 'Where the Boys Are' and 'The Time Machine.'

Dumb Donald was the kid in 'Fat Albert' with the stocking cap pulled down over his face.

Supplementary angles add up to 180 degrees. Complementary angles add up to 90. You can remember this because to compliment someone is the 'right' thing to do, and when you're supine, you're lying down flat.

Reggie Jackson is known as "Mr. October" because of his clutch hitting in the postseason.

Wiley Post

Wiley Post was an American aviator during the interwar period and the first pilot to fly solo around the world, in 1933, in eight days and a few hours.  He flew in the Winnie Mae, a modified Lockheed 5C Vega.

The Dole Light was an early name for the "center high mount stop lamp" on cars, named for Elizabeth Dole, who as Secretary of Transportation oversaw their implementation.

Romansch is one of Switzerland's four official languages, and the least-used, with only 100,000 speakers.

The Green Line refers to the boundary, both demilitarized and disputed, between Israel and its neighbors.

Charles Brockden Brown

Charles Brockden Brown was an 18th-19th century US editor and writer of Gothic novels. One of his more popular novels was Arthur Mervyn. he died of TB at the age of 39.

New Netherland was the name of the Dutch colony comprising New York, New Jersey and Connecticut from 1614 to 1674.

The Nine Years' War (1594-1603), a struggle of Irish chieftains against the Elizabethan government in Ireland, was also known as Tyrone's Rebellion after one of the Irish earls.

New Madrid is the name for a seismic zone covering Illinois, Missouri, Arkansas, Kentucky, and Tennessee, named for New Madrid, Missouri. It was the site of very severe quakes in 1811-1812.

Jacob's name means "holds the heel" because he grabbed his elder twin Esau's foot during birth, apparently trying to hold him back from being the firstborn.

Strontium is an earth metal that burns with a red flame in contact with air and so is used in fireworks and flares.