Yes, 1916 is a noun; a number is a noun, a year is a noun; a number is a thing, a year is a thing.
The Code of Honor - 1916 was released on: USA: 21 March 1916
The Essanay-Chaplin Revue of 1916 - 1916 was released on: USA: 21 October 1916
The Fall of a Nation - 1916 was released on: USA: 6 June 1916
A Lucky Leap - 1916 was released on: USA: 29 August 1916
Realization - 1916 was released on: USA: 22 April 1916
The Weakling - 1916 was released on: USA: 2 May 1916
Doorsteps - 1916 was released on: UK: March 1916 USA: 10 July 1916
You - 1916 was released on: USA: 2 January 1916
Why - 1916 was released on: USA: 2 April 1916
To Be or Not to Be - 1916 was released on: USA: 8 January 1916
At the Risk of Her Life - 1916 was released on: UK: 1916 USA: 1 January 1916
No, journey is a noun, a singular, common, abstract noun; a word for a thing. A pronoun is a word that takes the place of a noun in a sentence. The pronoun to take the place of 'journey' in a sentence is 'it'; for example:Ernest Shackleton's journey to cross the Antarctic continent began on December 5, 1913; it ended when the last of his crew were rescued in August of 1916.