April 4

In 2023, Finland officially joins NATO following Turkey's approval of its membership request, marking a significant milestone in regional security and international relations.

In 2020, China commemorates a national day of mourning to honor the martyrs who lost their lives in the battle against the COVID-19 pandemic.

In 2017, Syria launched a devastating air strike on Khan Shaykhun, utilizing chemical weapons that resulted in the tragic deaths of 89 innocent civilians. This harrowing event underscores the urgent humanitarian crisis in the region.

In 2013, a tragic building collapse in Thane, India resulted in the loss of 74 lives. This catastrophic event highlights the critical need for improved construction safety standards and regulations in urban areas.

In 2011, Georgian Airways Flight 834 tragically crashed at N'djili Airport in Kinshasa, resulting in the loss of 32 lives. This devastating incident highlights the importance of aviation safety and awareness in air travel.

On April 4, 2010, a powerful 7.2 magnitude earthquake struck near the Mexico-USA border, resulting in significant destruction and claiming at least two lives. The seismic event caused extensive damage to buildings and infrastructure in both countries, highlighting the region's vulnerability to natural disasters.

In 2009, France officially resumed full military participation in NATO, marking a significant milestone in its defense strategy and international relations. This decision reflects France's commitment to collective security and reinforces its role within the North Atlantic Treaty Organization.

In 2002, a historic peace treaty was signed between the MPLA government of Angola and UNITA rebels, effectively bringing an end to the Angolan Civil War. This pivotal agreement marked a significant turning point in Angola's journey towards stability and reconciliation.

In 1997, the Space Shuttle program witnessed the launch of Space Shuttle Columbia on mission STS-83. Unfortunately, this mission was prematurely halted due to a fuel cell issue, highlighting the challenges faced in space exploration.

In 1996, Comet Hyakutake was captured in stunning images by the USA's Near Earth Asteroid Rendezvous (NEAR) spacecraft, showcasing its breathtaking beauty and providing valuable data for astronomical research.