In 946 AD, Emperor Suzaku of Japan abdicated the throne in favor of his brother Murakami, who became the 62nd emperor of Japan.

In 1204, Baldwin IX, the Count of Flanders, was crowned as the first Emperor of the Latin Empire of Constantinople after the city's capture during the Fourth Crusade.

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In 1874, the first recorded dam disaster in the United States occurred when the South Fork Dam in Pennsylvania failed, resulting in the Johnstown Flood that killed over 2,200 people.

In 1868, the United States Senate acquitted President Andrew Johnson of impeachment charges by a single vote, allowing him to serve out the remainder of his term.

In 1943, Nazi troops suppressed the Warsaw Ghetto Uprising, a significant act of resistance by Polish Jews against deportation to extermination camps.

In 1929, Mikhail Kalashnikov, the inventor of the AK-47 assault rifle, met with Eugene Stoner, the inventor of the M16 rifle.

In 1879, Antonín Dvořák's "Slavonic Dances" premiered, showcasing the composer's incorporation of Slavic folk music elements.

In 1881, the world's first electric tram entered service in Lichterfelde, near Berlin, Germany.

In 1990, the first Academy Awards ceremony was held, honoring the best in American filmmaking.

In 1966, the publication of the "May 16 Notification" marked the beginning of the Cultural Revolution in China.

In 1946, Queen Elizabeth II became the first monarch to address the United States Congress.

In 1877, Charles E.

Hires, a pharmacist, introduced his root beer formula to the public.

In 1879, the Treaty of Gandamak was signed between the United Kingdom and Afghanistan, establishing an Afghan state.

In 1877, a political crisis occurred in the United States.

In 1962, the first US space flight with a woman on board, Astronaut Scott Carpenter, took place.

In 1968, the first successful kidney transplant from an unrelated donor was performed at the University of Colorado Medical Center.

In 1975, the Magnuson-Stevens Fishery Conservation and Management Act was signed into law, establishing the first national system for fishery management in the United States.

In 1997, the International Campaign to Ban Landmines and its coordinator, Jody Williams, were awarded the Nobel Peace Prize.

In 2020, the World Health Organization declared the COVID-19 outbreak a global pandemic.

In 2021, the Ever Given container ship was freed from the Suez Canal, ending a weeklong blockage that had disrupted global trade.