Krakow, Poland / Weesp, Netherlands Construction sites in two separate countries experienced accidental discoveries of undetonated WWII UXO on the same day. The Netherlands and Poland both saw evacuations and emergency responses to deal with the uncovered ordnance.

The first was a site for a new university residence building at Jagiellonian University in Krakow where workers uncovered more than 200 unexploded WWII anti-tank mines, prompting response from Army EOD teams. According to a police statement, authorities cordoned off the surrounding area while army sappers safely removed the explosives for neutralization.

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Okinawa, Japan Over 800 people were evacuated from a city in central Okinawa while the Japanese army removed an American-made WWII-era bomb. The 550-pound munition was initially found by workers at a construction site according to a spokesperson for the city's Disaster Prevention and Crisis Management Division.

The area was evacuated as members of the Japan Ground Self-Defense Force's 101st EOD Unit moved the bomb into a hole using a crane and safely defused it.

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Evergreen, Colorado Jefferson County bomb technicians responded to a Clear Creek County residence after the homeowner reported having unexploded military ordnance. Multi-agencies were dispatched after the bomb technicians examined the munitions and contacted U.S. Army EOD to remove the devices.

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East Ridge, Tennessee In a concerning breach of standard UXO safety protocols, an employee at a local Goodwill discovered a grenade in a donation pile and subsequently drove the explosive device to a nearby police station.

The incident occurred at the Goodwill facility on Ringgold Road. While processing recent donations, the employee located the munition. Rather than leaving the item untouched, clearing the immediate area, and calling 911, the individual placed the hazard in their vehicle and transported it directly to the East Ridge Fire and Police Department.

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Nantucket, Massachusetts Several WWII-era rockets were discovered on a popular Nantucket beach, resulting in a multi-agency response. According to the Massachusetts Department of Fire Services, the Massachusetts State Police Bomb Squad was called out to reports of UXO found buried in an eroding sand dune.

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Wiesbaden, Germany A 1,000-pound American WW II-era aerial bomb discovered near a U.S. Army installation in western Germany prompted evacuations and restricted base access.

The munition was unearthed during road construction in the Erbenheim district, the primary access route to Clay Kaserne. German EOD technicians immediately secured the site under guard and scheduled a disposal operation the next day.

Authorities established a 750-yard evacuation cordon, displacing dozens of nearby residents and forcing the closure of several major transportation routes. Affected infrastructure included sections of the A66 autobahn, the B455 federal highway, and the Wiesbaden-Cologne railway.

The disposal operation significantly disrupted activities at U.S. Army Garrison Wiesbaden. Military police enforced safety measures, closing the installation's main gate to all traffic, pausing base shuttle services, and restricting base access strictly to inbound personnel via an alternate entry point.

Krakow, Poland More than 200 WWII UXO were discovered by construction crews at an excavation site in Krakow. As soon as the workers realized that the items resembled artillery shells, work was paused and emergency services were notified.

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Thousand Oaks, California The Ventura County Sheriff's Office bomb squad and U.S. Navy EOD responded to home in in Thousand Oaks after a cache of century-old grenades and other explosives were found.

The bomb squad reported, "A family was organizing the belongings of their late grandfather who served in WWII and came across a cache of authentic Japanese, British, and American grenades along with other ordnance dating back nearly a century."

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Plymouth, England Police officers and Royal Navy UXO technicians responded after an unexploded WWII bomb was discovered on a building site in Plymouth, forcing the evacuation of approximately 1,200 homes in the area.

The explosive experts worked through the night assessing the 550-lb device, and a 400-meter cordon was established in the area, according to the Plymouth City Council.

The munition was identified as a German SC250 air-dropped weapon. Four hundred tons of sand was provided by the Council to stabilize and secure the device while enhanced Xray equipment was used for a detailed assessment.

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Culloden, Scotland Archaeologists discovered an unexploded cannonball from the bloodiest battle in Scotland's history. According to the National Trust for Scotland (NTS), it was located at Culloden Battlefield, just outside Inverness in the Scottish Highlands.

The mortar was found during excavations in October 2025, but officials did not announce the discovery until April 16, the date which marked the 280th anniversary of the Battle of Culloden.

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