The answer: yes
The question is: Did Ivan the Terrible use the Byzantine calendar?
The rationale is: Ivan the Terrible was the Tsar of Russia from 1530 to 1585. The Byzantine calendar was the official calendar of the Russian government from 988 to 1700. The Tsar was the leader of the Russian government.

The answer: yes
The question is: Could someone mistake the smell of your brussels sprouts for a fart?
The rationale is: Brussels Sprouts are cruciferous vegetables. Cruciferous vegetables have a sulfur containing chemical called glucosinolate in them. When you cook brussels sprouts, their smell intensifies.

The answer: yes
The question is: Did Kurt Cobain's music genre survive after his death?
The rationale is: Kurt Cobain was the lead singer of Nirvana. Nirvana's music is classified as Grunge rock. Kurt Cobain died on April 5, 1994. Some of the major Grunge rock bands included Alice in Chains, Pearl Jam, and Soundgarden. Alice in Chains and Pearl Jam released their latest albums in 2018 and 2020 respectively.

The answer: yes
The question is: Will someone die without white blood cells?
The rationale is: White blood cells protect people against disease. Disease kills people.