History starting with X

1) City where emperor Shi Huang was buried with thousands of terracotta warriors

2) Emperor Kublai Khan had his empire here

3) Chinese megacity on the Strait of Taiwan

4) Persian king who defeated the Greeks at Thermopylae in 480 BC

5) This ancient Greek city has both Ottoman and Byzantine history in its architecture

6) Usually considered the first Chinese dynasty in 2060 BC

7) Incident between US and French diplomats resulting in a undeclared quasi war in 1797-98

8) Greek historian and military leader who wrote about Socrates and the Persian wars

9) Greek philosopher of Colophon was among the first to use satire in poems

10) The fear of foreigners or people from another land

11) in Mayan culture, this is the underworld, translated as "place of fright"

12) The Confucian concept of respect for ones parents and ancestors

13) Another term for a wood engraving

14) This means "heart and mind" in Chinese philosophy

15) In 1895, physicist WC Rotogen discovered this of radiation used in medical imaging

16) The alternate, often controversial way to say Christmas

17) Pop star Christina Aguilera adopted this stage name based on her real name

18) The much younger wife of the great Socrates

19) After acquiring Twitter, Elon Musk renamed it to this

20) Wolverine is part of this superhero team

21) This popular show explored unexplained, supernatural phenomena with the team of Scully and Mulder

22) She was a Toltec mistress of emperor Tecpancaltzin Iztaccaltzin

23) The Aztec god of spring and new vegetation, its name meaning "flayed one"

24) Ancient Mexican hilltop city founded around 650 by the Olmec people

25) Confucian philosopher and the last of the Five Great Sages of Confucianism