16 Dec 1965: The 75th Anniversary of the Japanese Telephone Service
10 Dec 1965: New Year's Greetings #2 (1965)
3 Dec 1965: Chichibu Night Festival
20 Nov 1965: Antarctic Expedition
15 Nov 1965: Shiretoko National Park
30 Oct 1965: International Conferences of Otology, Rhinology & Laryngology (ICORL) & Pediatrics (ICP), Tokyo
24 Oct 1965: The 20th National Athletic Meeting, Gifu
15 Oct 1965: The 75th Anniversary of National Suffrage
6 Oct 1965:
International Letter Writing Week (1965)
1 Oct 1965: The 10th National Census
21 Sep 1965: The 9th International Atomic Energy Authority Conference, Tokyo
1 Sep 1965: Blood Donation Campaign
20 Aug 1965: Cultural Heritage (1965)
20 Jul 1965: The 25th Maritime Day
16 Jul 1965: Soma Nomaoi Festival, Fukushima
26 Jun 1965: International Cooperation Year (ICY) & 20th Anniversary of UNO
15 Jun 1965: Aso National Park
17 May 1965: The 100th Anniversary of I.T.U
9 May 1965: National Afforestation Campaign
5 May 1965: Inauguration of National Children's Gardens
20 Apr 1965: Philatelic Week (1965)
25 Mar 1965: Inauguration of Postal Museum, Ote-machi, Tokyo, and Stamp Exhibition
15 Mar 1965: Jo-Shin-etsu Kogen National Park
10 Mar 1965: Completion of the Meteorological Radar Station on Kengamine Heights of Mt. Fuji
15 Feb 1965: Quasi-National Park Series (1965)
20 Jan 1965: New Year's Greetings #1 (1965)
20 Jan 1965: Daisen-Oki National Park