When did the diner in Tumble first open?

The diner in Tumble first opened in 1963, making this the correct answer. This detail is significant as it sets the historical context of the diner within the story or setting you are exploring. Knowing the exact year helps to understand how the diner has evolved over time, contributing to the characters’ experiences and the community's development around it. It may also relate to broader historical events or cultural shifts during that time period, enriching the narrative and adding depth to the overall storyline. This date could also provide insights into the diner’s significance in the characters’ lives and the role it plays in the community as a gathering spot or pivotal location throughout the unfolding events.