Some anniversaries for 2021:
50 years: 1971
Death of August Derleth.
Derleth’s book HPL, “Biographic Notes on Lovecraft”, a first try at assembling a coherent biography, following Moskowitz’s 1960 bio-article and Shea’s 1966 memoir.
S.T. Joshi dates 1971 as the beginning point of scholarly Lovecraft Studies.
Death of Virgil Finlay, the key early Lovecraft illustrator.
Death of C. M. Eddy, Lovecraft’s Providence friend and collaborator (“The Loved Dead” and others).
1971 Ballantine U.S. paperback edition of The Dream-Quest of Unknown Kadath. Immensely popular, goes through 31 printings.
75 years: 1946
First translation of Lovecraft to Spanish, the substantial book The Lurker at the Threshold, Buenos Aires, Editorial Molino, 1946.
The Acolyte completes its 14 issue run in 1946.
100 years: 1921
“The Outsider”.
“The Music of Erich Zann”.
“In Defence of Dagon” (essay).