In
1849
, 170 years ago, on December 19, Thomas’s oldest sister Marion married Homer Page at the Edison Birthplace. Young Al (as he was called) said his first memory was Homer Page spinning a coin on the floor, in what is probably the parlor at the Edison Birthplace, visiting his soon to be bride.
In
1871
, on December 25th, Thomas Edison marries Mary Stillwell.
In
1914
, on December 9th, an explosion in the Film Inspection Building triggers a conflagration that destroys or damages more than half of thee buildings in the West Orange laboratory complex.