Feast of Rassilon
From Tardis Wiki, the free Doctor Who reference
The Feast of Rassilon was an event which took place on Gallifrey. The Fourth Doctor's Five Hundred Year Diary had details on the first Sunday after the Feast. (PROSE: The Not-So-Sinister Sponge) A winter celebration, it took place on 11 December. (PROSE: Time Traveller's Diary [+]Loading...["Time Traveller's Diary (novel)"])