December 4 Anniversaries

Serum Therapy Day (Kessei Ryōhō no Hi)

World Observances

What Is Serum Therapy Day? December 4 is "Serum Therapy Day." It commemorates De...

E.T. Day

Historical Anniversaries

What Is E.T. Day? Every December 4th is "E.T. Day" in Japan. On December 4, 1982...

Kabuchan's Kefir Day

Food Days

What Is Kabuchan's Kefir Day? December 4th is "Kabuchan's Kefir Day" in Japan, e...

A Day to Build a Love-Filled Future Through Proposals

Other

What Is This Anniversary? December 4th is "A Day to Build a Love-Filled Future T...