INVENTOR'S DAY
ONLY SOME OF THE COUNTRIES CELEBRATE INVENTOR'S DAY.
ARGENTINA :- 29 SEPTEMBER SINCE 1986
GERMANY :- 9 NOVEMBER
AUSTRIA :- 9 NOVEMBER
SWITZERLAND :- 9 NOVEMBER
MALDOVA :- END OF JUNE
THAILAND :- FEBRUARY 2
AMERICA :- FEBRUARY 11 SINCE 1983
AMERICA :- FEBRUARY 11 SINCE 1983