February 4:
A.D. 1784: First unmanned hot air balloon flight takes place in Ireland.
A.D. 1859: Codex Sinaiticus is discovered in Egypt.
The codex was once the complete text of the Bible, but half the Old Testament had been lost at the time of its discovery.
A.D. 1847: The first American telegraph corporation is established in Maryland.
A.D. 1865: Robert E. Lee is named Commander-In-Chief of the Confederate Army