May 18 Anniversaries

International Museum Day

World Observances

What Is International Museum Day? Every May 18th is "International Museum Day," ...

Fiber Day (Faibā no Hi) — "fa (5)," "i (1)," and "bā (8)" spell out "fiber"

Industry Days

What Is Fiber Day? May 18th is "Fiber Day" in Japan. The date comes from a wordp...

Words Day (Kotoba no Hi)

Wordplay Anniversaries

What Is Words Day? May 18 is "Kotoba no Hi" (Words Day). This anniversary comes ...