Arts
Language in which most music is notated.
Italian
Time period after the Medieval Ages in Europe.
Renaissance
The most ancient form of Chinese character. (Chinese name accepted)
oracle bone script (accept "甲骨文")
What happened to the first marathon runner after he completed the marathon.
He collapsed and died
Exact value of the Golden Ratio.
(1+√5)/2
Complementary color pairs of the tertiary colors of pigment, in the outdated and scientifically unsound RYB model.
Red-orange/blue-green, yellow-orange/blue-violet, yellow-green/red-violet (do not accept "purple" as replacement for "violet" in either case; no one calls it "blue-purple" or "red-purple")
(On the other hand, any synonyms for the abovementioned colors could be accepted after democratic voting)
The 12th-century Historia regum Britanniae popularized the legend of this probably-mythical Britannic leader.
King Arthur
Why Mesopotamia is called Mesopotamia.
It's between (meso) two rivers (potamia)
Non-American contact sport with the highest risk for concussion.
Rugby
List the 6 simple machines.
lever, wheel and axle, pulley, inclined plane, wedge, screw
Mayonnaise is this type of instrument, under the western/modern classification system.
Percussion
U-boat is short for this.
Unterseeboot (accept "undersea-boat")
Protolanguage from which English, Spanish, and French (among others) derive.
Proto-Indo-European (accept "PIE") (do not accept "Latin", "Proto-Romance", or "Proto-Italic"; English does not directly relate to Latin and thus is not a Romance/Italic language)
_____ has been dominating Olympic diving since 1984; _____ has the most Olympic diving medals in general. (countries)
China; US
Invention that made hunter-gatherers abandon their nomadic lifestyle, become sedentary, and start building civilizations.
agriculture (accept "irrigation")
Photography "rule" in which important elements are aligned to any of two equally-spaced vertical or horizontal lines or their four intersections.
Rule of thirds
Actual pirate(s) commonly referred to as "[color]beard". (real name(s) unnecessary)
Blackbeard and Redbeard/Barbarossa (barba=beard, rossa=red)
(accept "Edward Teach/Thatch/etc. and the Barbarossa brothers, Oruç Reis/Baba Oruç/Barbarossa & Khizr/Hayreddin Barbarossa")
Name of symbol denoting "sh" sound in IPA.
Esh [ʃ] (accept "that weird f/s looking thing" if feeling magnanimous, do not accept if not)
"The Fastest Two Minutes in Sports".
Kentucky Derby
Complementary color pairs of quarks/antiquarks.
Red/antired, green/antigreen, blue/antiblue
"Fresh Air", a sculpture made of this material, was sold in 2011 for $10K.
Air (literally nothing) (apparently you're supposed to imagine what it looks like in your head)
These two ships fought the first battle between ironclads during the American Civil War.
USS Monitor & CSS Virginia (accept "Merrimack") (neither won, and there was no rematch)
Idigif yidigou ridigecidigognidigize thidigis lidiganguidigage, plidigease idiganswidiger "idigaye" idigand spidigecifidigy whidigat lidiganguidigage idigit idigis idigusidiging thidige lidiganguidigage.
Idigaye, idigit's gidigibbidigeridigish.
Male figure skaters (2) with the highest scores under the newest scoring system adopted in the 2018–19 season.
Nathan Chen and Yuzuru Hanyu
Third largest galaxy in the Local Group.
Triangulum Galaxy (accept "Messier 33", "M33", "NGC 598")