Inventors' and Rationalizers' Day

September 21, Saturday

Inventors' and Rationalizers' Day
© ShutterStock
Since 1957, Russia has celebrated an Inventors' and Rationalizers' Day annually at the last Saturday of June.
Inventors' and Rationalizers' Day – days left: 272. Create Countdown to Event

Inventors' and Rationalizers' Day in other years

Inventors' and Rationalizers' Day in other countries

This site uses cookies. By continuing to use this website, you agree to our policies regarding the use of cookies.