Thesaurus Day is held on January 18. It is celebrated every year on January 18th, which is the birthday of the author of Roget's Thesaurus, Peter Roget. Peter Roget was born on January 18th in 1779. This event in the second decade of the month january is annual.
Cable Car Day on January 17 (In early 1871 British-born, US resident Andrew Smith Hallidie received the first patent in relation to the cable car);
Winnie the Pooh Day on January 18 (This day was created to celebrate the birth of A.A .Milne in 1882);
Blue Monday on January 18 (Date for 2021. The third Monday is claimed to be the most depressing day of the year);
Tin Can Day on January 19 (Peter Durand patented the tin can in 1810);
Camcorder Day on January 20 (On this date in 1982, the camcorder was first introduced into the public marketplace by Sony Electronics);