Searching for a Giza's National day !!??

The 31th of March used to the National day of Giza Governorate for decades. The 31th of March marks the revolution of the Nazlat El-Shobak villagers against the British occupation in 1919 , when they stopped a train full of British Soldiers then.But since the sudden decision to found the 6th of October Governorate and include Nazlat El-Shobak to its jurisdiction ,Giza became a Governorate without a National day !!!!!!
Will the Government be kind enough to search in Giza’s long history to find some day worth enough to become the National day of Giza !!!??
Technorati Tags: Egypt, National, History, 1919, Giza, Mideast, Middle east, National Day