June 11

American Evacuation Day commemorates the final withdrawal of U.S. troops from Wheelus Air Base near Tripoli on June 11, 1970. The departure followed the 1953 Mutual Defense Treaty and rising tensions under Muammar Gaddafi’s regime. This annual observance celebrates Libya’s regained autonomy over its territory and serves as a reminder of its modern political history. Ceremonies often include official speeches and reflections on national independence. Schools and government offices may hold educational events highlighting Libya’s journey to self–determination. The day reinforces national identity and honors the struggle for sovereignty.

Brazilian Navy Day commemorates the decisive naval victory at the Battle of Riachuelo on June 11, 1865, during the Paraguayan War. This event cemented Brazil’s naval reputation and helped secure the region’s stability. The day is marked by military parades, naval demonstrations, and public ceremonies at ports across the country. Naval academies host open-house events, allowing civilians to tour ships and learn about maritime careers. Speeches by naval officers emphasize the service’s history and its role in national defense and humanitarian missions. The celebration reinforces national pride and showcases Brazil’s maritime traditions.

Davis Day commemorates the life and sacrifice of Donald Davis, a coal miner who died in a workplace accident in New Waterford, Nova Scotia, on June 11, 1925. It has since become a day of remembrance for all miners lost in industrial incidents. Memorial services include wreath-laying ceremonies at miners’ monuments and moments of silence in workplaces and communities. Families and local organizations hold gatherings to share stories and promote mine safety awareness. The day underscores the region’s coal-mining heritage and the ongoing importance of workplace safety in hazardous industries.

King Kamehameha I Day is a public holiday in Hawaii celebrated with colorful parades, floral lei ceremonies, and cultural performances. Established in 1871, it honors Kamehameha the Great, who united the islands under a single rule and established enduring Hawaiian traditions. Festivities include the Royal Guard’s procession to the Iolani Palace, hula performances, and the ʻAha Aloha Aina banquet. Residents and visitors alike participate in lei-draping ceremonies at statues of the king. The day fosters pride in Hawaiian heritage, emphasizing the monarch’s legacy in governance, culture, and unity.