May 20

In 2022, during the ongoing Russo-Ukrainian War, Russia announced it had achieved full control of Mariupol, a key Ukrainian city, following a prolonged siege lasting nearly three months. This significant development marked a critical moment in the conflict, impacting the broader geopolitical landscape.

In 2019, the International System of Units (SI) underwent significant changes as its base units were redefined, rendering the international prototype of the kilogram obsolete. Discover the impact of this pivotal shift on global measurement standards.

In 2016, Singapore's government proceeded with the contentious execution of convicted murderer Kho Jabing, who was sentenced for the brutal murder of a Chinese construction worker. This decision faced substantial international outcry, including urgent appeals for clemency from organizations such as Amnesty International and the United Nations.

In 2013, an EF5 tornado devastated the Oklahoma City suburb of Moore, resulting in 24 fatalities and injuring 377 individuals. This catastrophic event remains one of the deadliest tornadoes in U.S. history, highlighting the importance of disaster preparedness and awareness.

In 2012, a devastating 6.0-magnitude earthquake struck northern Italy, resulting in the tragic loss of at least 27 lives and injuring over 50 individuals. This natural disaster caused widespread destruction and highlighted the importance of earthquake preparedness.

In 2011, Mamata Banerjee made history by becoming the Chief Minister of West Bengal, marking her as the first woman to assume this prestigious position in the state's political landscape.

In 2009, a tragic accident occurred when an Indonesian Air Force Lockheed L-100 Hercules crashed in Magetan Regency, resulting in the loss of 99 lives. This devastating event highlights the importance of aviation safety and the impact of such disasters on communities.

In 2002, East Timor's independence was officially recognized by Portugal, marking the conclusion of 23 years of Indonesian occupation and a three-year period of provisional administration by the United Nations. This significant event ended Portugal's historical role as East Timor's colonizer, which lasted until 1976.

In 1996, the Supreme Court of the United States made a landmark ruling in Romer v. Evans, striking down a Colorado law that prohibited cities, towns, and counties from enacting protections for the rights of gay and lesbian individuals. This pivotal decision reinforced civil rights and marked a significant step forward in the fight for LGBTQ+ equality.

In 1990, Romania held its inaugural post-Communist presidential and parliamentary elections, marking a significant milestone in the nation’s democratic transition.