The biggest blessing day EVER happened some 1800 to 2200 years before Christ.  God said to Abram in Genesis 12.1-4, “Go from your country and your kindred and your father’s house to the land that I will show you.  And:”

• I will make of you a great nation
• I will bless you
• I will make your name great
• You will be a blessing
• I will bless those who bless you
• Him who dishonors you I will curse
• In you all the families of the earth will be blessed

God kept all those promises, including the coming of Jesus, as angelically announced in Luke 2.10,”Fear not, for behold, I bring you good news of great joy that will be for all the people. For unto you is born this day in the city of David a Savior, who is Christ the Lord.”