Do people of the Iyer caste eat meat?
Iyer is a caste of Hindu Brahmin. Brahmin is the priest caste of Hinduism. Devout Hindus do not eat meat. Priests of a religion are devout followers of that religion.
The answer is no.

Could Moulin Rouge have been hypothetically used as Spain's Spanish American War triage center?
The Moulin Rouge cabaret in France had a capacity of 850 people. Spain had 700-800 injured during Spanish American War.
The answer is yes.

Would John the Baptist be invited to a hypothetical cephalophore reunion in heaven?
John the Baptist was a preacher that became a Catholic Saint. John the Baptist was beheaded by king Herod. A cephalophore is a Saint martyred by beheading, and is depicted in art as carrying their own head. Saint Denis was one of several beheaded saints that is said to have carried his own head and is depicted as such in art. John the Baptist did not carry his head, since it was on a plate owned by King Herod's stepdaughter.
The answer is no.

Did Christopher Columbus go to Antarctica?
Between 1492 and 1503, Columbus completed four round-trip voyages between Spain and the Americas. His expeditions, sponsored by the Catholic Monarchs of Spain, were the first European contact with the Caribbean, Central America, and South America. Antarctica is Earth's southernmost continent.
The answer is no.