| Date | Weekday | Text | Observed | |||
|---|---|---|---|---|---|---|
| Other states | ||||||
| 31 May | Wednesday | Brunei: Royal Brunei Malay Regiment | ||||
| 31 May | Wednesday | Namibia, South Africa: Union Day (1910), Republic Day (1961) | ||||
| 31 May | Wednesday | Zimbabwe: Independence Day (1979) | ||||
| 31 May | Wednesday | US: Memorial Day/Decoration Day, a legal holiday (1868] | ||||
| 31 May | Wednesday | RELIGIOUS | Lutheran, Anglican, Roman Catholic: Feast of the Visitation [Queenship] of Mary | |||
| 31 May | Wednesday | RELIGIOUS | Roman Catholic: Commemoration of St Aurelia Petronilla, virgin | |||
| 31 May | Wednesday | RELIGIOUS | old Roman Catholic: Feast of St Angela Merici, virgin | |||
| Andorra | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Australia | ||||||
| 31 May 2004 | Monday | CHRISTIAN | Whit Monday | |||
| Austria | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Bahamas | ||||||
| 31 May 2004 | Monday | PUBLIC HOLIDAY | Whit Monday | |||
| Barbados | ||||||
| 31 May 2004 | Monday | PUBLIC HOLIDAY | Whit Monday | |||
| Belgium | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Canada | ||||||
| 31 May 2004 | Monday | CHRISTIAN | Whit Monday | |||
| Czech | ||||||
| 31 May 2004 | Monday | CHRISTIAN | Whit Monday | |||
| Denmark | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| France | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Germany | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Greece | ||||||
| 31 May 2004 | Monday | PUBLIC HOLIDAY | Holy Spirit Monday | |||
| Hungary | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Ivory-coast | ||||||
| 31 May 2004 | Monday | PUBLIC HOLIDAY | Whit Monday | |||
| Liechtenstein | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Luxembourg | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Monaco | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Netherlands | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Norway | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Romania | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Orthodox Pentecost Monday | |||
| Spain | ||||||
| 31 May 2004 | Monday | LOCAL HOLIDAY | Whit Monday | Barcelona | ||
| 31 May 2004 | Monday | LOCAL HOLIDAY | Canaries day observed | Canary Islands | ||
| 31 May 2004 | Monday | LOCAL HOLIDAY | Day of Castile-La Mancha | Castile-La Mancha | ||
| Sweden | ||||||
| 31 May 2004 | Monday | PUBLIC HOLIDAY | Whit Monday | |||
| Switzerland | ||||||
| 31 May 2004 | Monday | COMMON LOCAL HOLIDAY | Pentecost Monday | All except VS | ||
| Trinidad | ||||||
| 31 May 2004 | Monday | PUBLIC HOLIDAY | Indian Arrival Day observed | |||
| Uk | ||||||
| 31 May 2004 | Monday | CHRISTIAN | Whit Monday | |||
| 31 May 2004 | Monday | BANK HOLIDAY | Spring Bank Holiday | |||
| Ukraine | ||||||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Orthodox Pentecost holiday | |||
| USA | ||||||
| 31 May 2004 | Monday | CHRISTIAN | Whit Monday | |||
| 31 May 2004 | Monday | UNITED NATIONS OBSER | World No Tobacco Day | |||
| 31 May 2004 | Monday | NATIONAL HOLIDAY | Memorial Day | |||
| 31 May 2004 | Monday | LOCAL OBSERVANCE | Jefferson Davis Birthday | Mississippi | ||
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