The author of the excellent Lost Children Archive is the latest member of an elite club called The Future Library:

Margaret Atwood, Ocean Vuong and Tsitsi Dangarembga are among the authors who have contributed to the project so far. All the works will be published in an anthology in 2114, 100 years after the project began in 2014.

It’s ridiculous but also maybe awesome? I don’t know if there’s something recent to compare it to.