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, established in 2005 by Fibe...

Words Day (Kotoba no Hi)

Wordplay Anniversaries

What Is Words Day? May 18 is "Kotoba no Hi" (Words Day). The date comes from the...