| Clue | Answer |
|---|
| In this language and writing system, the tav (ת) represents 400 | |
| This Penn State football coach is the only in NCAA Div. I to reach 400 victories | |
| A circle is divided into 400 of this unit | |
| This quarterback, has had 15 400-yard games, all with the Miami Dolphins | |
| This country has won 18 Olympic gold medals in the 400 metre hurdles event | |
| The François Truffaut film 'Les Quatre Cent Coups' translates to this in english | |
| This is the square root of 400 | |
| This structure, the first over 400 feet tall, was the world's tallest from c. 2570 BCE to about 1311 AD | |
| This company's 8-bit 400 was their first entry into the home computer market in 1979, released shortly after their 2600 game system | |
| This version of the bible celebrates its 400th anniversary in 2011 | |
| The Coke Zero 400 is held each July at this International Speedway | |
| This is the last MLB player to end a season with an average over 0.400 | |
| This is how 400 is expressed in Roman Numerals | |
| In the year 400, St. Anastasius I held this title | |
| This Yankee was the youngest player to reach 400 home runs | |
| 400 is 190 in this base system | |
| Vierhundert is 400 in this language | |
| This NHL player was the fastest to reach 400 goals, doing so in his first 436 games | |
| These are the only two prime factors of 400 | |
| King's Highway 400 connects Nobel to Toronto in this Canadian province | |
| Nope, that's not how Roman numerals work | |
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