What is the Key Stone?
Diamond
Opens the door - you know, the one close to Mons.
dunno - but here is a fun fact.
In a room of just 23 people there's a 50-50 chance of at least two people having the same birthday. In a room of 75 there's a 99.9% chance of at least two people matching.
D5
45
14 Feb is the 45th day of the year.
23 Feb
54th day of the year - mirror of D5
1945 US Marines raise American flag on top of Mt. Suribachi, Iwo Jima.
Chinese Lunar date 1.19