After His crucifixion, Jesus the Christ arose over two thousand years ago, a fact some of the people of that time wished to deny or suppress, and not even acknowledge.
For those who know Christ arose, His spirit is as true today as it was then. Christ lives for evermore, so that those who follow His teachings and lives by His words, shall have the life more abundant.
Unique feature of Christianity is this : Jesus the Christ is the Son of God. We too are all God's progeny, but Jesus (whose name in heaven was Jehovah and whose brother is Lucifer, also known as Satan) is uniquely The Christ.