January 31

Postage Stamps Issued on this Day

 * Slovenia
 * 2020 - Prominent Personalities: Adam Bohorič, Slovene Protestant, Grammarian and Teacher, 500th Anniversary of his Birth
 * 2020 - Prominent Personalities: Hugo Wolf, Composer, 160th Anniversary of his Birth
 * 2020 - Greetings Stamp: Love (2020)
 * 2020 - Chinese Horoscope: Year of the Rat
 * 2020 - Architecture in Slovenia: Municipal Savings Bank, Ljubljana, 1903–04 (Josip Vancaš)
 * 2020 - Contemporary Arts and Crafts in Slovenia: Contemporary Metal Design
 * 2020 - Anniversaries: Centenary of the Memorandum on Nature Conservation