Holidays Feast day of St. Erkenwald, St. Pius V, pope, St. Forannan, St. Wolfhard, St. Maximus of Ephesus, St. Eutropius of Saintes, and Saints Marianus and James. Walpurgis Night / Beltane / Beltane / May Eve / Cyntefyn / Roodmass / Cethsamhain / Feast of Valborg. Netherlands: Queen Juliana's Birthday / Koninginnedag / Dutch National Day (also marking accession of Queen Beatrix in 1980). Vietnam: Liberation Day. Finland: May Day Eve. Mexico: Children's Day
Holidays Feast day of St. Catherine of Siena, St. Wilfrid the Younger, St. Hugh of Cluny, St. Endellion, St. Joseph Cottolengo, St. Robert of Molesme, and St. Peter the Martyr. Japan: Greenery Day. Events 1429 - Joan of Arc entered the besieged city of Orleans to lead a victory over the English. 1813 - A patent for rubber was given to J.F. Hummel of Philadelphia, Pennsylvania. 1852 - The first edition of Peter Roget's "Thesaurus" was published.
Holidays Feast day of St. Louis de Montfort, St. Vitalis, St. Peter Mary Chanel, St. Cyril of Turov, St. Valeria, St. Pollio, Saints Theodora and Didymus, St. Pamphilus of Sulmona, and St. Cronan Roscrea. Afghanistan: Islamic State's Victory Day (1992). Events 1788 - Maryland became the seventh state to ratify the Constitution of the United States of America. 1789 - The mutiny on the HMS Bounty occurred, as Fletcher Christian and the crew of the British ship set Captain William Bligh and 18 sailors adrift in a small open boat in the South Pacific.
Holidays Feast day of St. Zita, St. Machalus, St. Floribert of LiÈge, St. Asicus, St. Anthimus of Nicomedia, and Saints Castor and Stephen. Sierra Leone: Independence Day. South Africa: Freedom Day. Yugoslavia: National Day (formation of Yugoslav federation in 1992, consisting of Serbia and Montenegro). Slovenia: Insurrection Day. Togo: Independence Day (1960, from France).
Holidays Feast day of St. Cletus, St. Riquier, St. Stephen of Perm, St. Peter of Braga, St. Franca of Piacenza, and St. Paschasius Radbertus. Tanzania: Union Day. United States: Confederate Memorial Day in southern U.S. (esp. Florida, Georgia). Events 1514 - Copernicus made his first observations of Saturn.
Holidays Australia, New Zealand, Samoa, Tonga: ANZAC Day (ANZAC was (Australia and New Zealand Army Corps). Feast day of St. Mark the Evangelist, St. Heribald, and St. Anianus of Alexandria. Italy: Liberation Day (1945). Portugal: Revolution Day / Liberty Day (1974).