Jerusalem Day

Israelis and Jews around the world celebrate May 12 as Jerusalem day, commemorating the reunification of Jerusalem and the establishment of Israeli control over the Old City in June 1967. 

Few pictures from the "Old city": 

Map of old City (notice the division into four quarters)

Church of Holy Sepulchre, the site of death and resurrection of Christ

St. James Cathedral, holiest place for all Armenians

Al-Aqsa mosque, the way to heaven for Prophet , 3rd most sacred place for all Muslims

Wailing Wall, the most sacred place for all Jews, remanent of the last Temple of Jerusalem