The explosion of the space shuttle Columbia will be in peoples' minds like the Challenger long after the the media disperses and news articles stop. See how much you know about the seven astronauts aboard Columbia that fateful day.

Denis Diderot was one of the most important philosophers during his lifetime. See how much you know about this man, nicknamed, "Le Philosophe".

See how much you know about Greek vocabulary with quiz, from economics to jewelry. NOTE: Romanization is not *directly* spelled out, (i.e., if the word is spelled "mpol" [with mi and pi], it is spelled "bol" in this quiz. Basically, it's phonetic. :)

Some epics are known world-wide, and some aren't. See if you can name all of these 10 epics from Babylonia to Germany.

See how good you are at decoding the year in the 1960s when I give you the top 5 television shows (in order). Also, I'll give you the Best Picture Oscar for that year.

See how much you know about popular TV shows in the 1950. I'll give you the Top Five television show for that year and some trivia, and you guess the right year. I'll also give you the Best Picture Oscar winner for that year.

If you want to quiz yourself on 10 plays from all eras of history, then this quiz is right for you. They range in plays from ancient Greece to the 21st century.

January 15th is the birthday of American civil rights leader Martin Luther King, Jr. How much do you know about what else happened on that date in history?

See how much you know about this famous philospher and humanitarian with this quiz. No trivial knowledge assumed or needed.

See how much you know about June 6 history from around the world, with topics ranging from D-Day to European tennis champions.

Here are some more Japanese cities from around the country. These are a little more harder and less known than the other quiz's cities.

See how good you are remembering what happened on July 28 in history with subjects ranging from World War II bombings to AOL spam.