An annual observance on January 1 of when copyrights expire and works enter into the public domain. Copyrights usually expire every year on January 1 based on the individual copyright laws of each country.
Origin
First mentioned by Lawrence Lessig in 2004, but it is unclear when observance began.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.