jan 1, 965 - Odin defeats the Frost Giants
Description:
also the battle where Odin lost his eyealso apparently the Eternals all helped during this battle as Gilgamesh recalls.
"Yours is a secret brew Odin taught me as a thank-you after we helped defeat Laufey's army in Tonsberg" Eternals 53:54
this is also likely when Odin leaves the tesseract (the space stone) in Tonsberg for safety or something
Added to timeline:
Date:
jan 1, 965
Now
~ 1061 years ago