January 23 is National Handwriting Day, that was created by Writing Instrument Manufacturers Association (WIMA). This observance was created to remind people about the importance of handwriting, when e-mails have replaced handwritten letters.
January 23 is celebrated as World Freedom Day in Taiwan. This memorial day marks the return of Taiwanese POWs after the end of the Korean War. The celebration is coordinated by the World League for Freedom and Democracy.
January 23 is Netaji Subhas Chandra Bose Jayanti (Anniversary of Respected Leader Subhas Chandra Bose) in India. This holiday commemorates the birth of Subhas Chandra Bose, a prominent Indian nationalist.