No. It ceased to exist in or about 2005.
He ceased to exist. Both sides ceased fire. Their attention ceased as the teacher went on. Cease: Stop, Fade Away.
No. A proper use of ceased would be, "After they stopped breathing, they ceased to exist." The word you need is seized, which means to take hold of. "They seized the chance."
all life would eventually cease to exist
No. No one is in the Illuminati. It does not exist.
The USSR ceased to exist in 1991.
It ceased to exist.
It ceased to exist in 1959.
Not all medieval beliefs have ceased to exist.
Nothing would happen.
As a ancient Egyptian goddess, Bastet never ceased to exist only stopped being worshiped.
Donsbach University (Which has ceased to exist)