It started to lose meaning right around the Bilbo with the gaping

Lord of the Rings: Differences Between Movies and Books, Explained

What is the time gap between 'The Hobbit' and 'Lord of the Rings'? Are there any significant events that occur during this time period that are not mentioned in Tolkien's books?

Gap of Rohan, The One Wiki to Rule Them All

I mean it was a few months in the movies, right? RIGHT?! : r/lotrmemes

The Hobbit (1937 book): What did the sign on Bilbo's door mean? - Quora

Better late than never : r/lotrmemes

Chapter XXV: Mount Doom – The Road

Untitled - BoG-Archive

What was the ring that Bilbo took from Gollum, and how did he know it was there? - Quora

The Hobbit - Wikipedia

What Happened Between The Hobbit & Lord of the Rings

The Lord Of The Rings Gollum Age, Explained

Film Review: The Hobbit: An Unexpected Journey & The Hobbit: Desolation of Smaug Both Start Slow But Finish Strong – We Minored in Film

Bilbo Baggins, Middle-Earth Films Wiki