On this date in history:
In 1868, seven members of the Reno gang stole $98,000 from a railway car at Marshfield, Ind. It was the original "Great Train Robbery."
In 1972, Richard Nixon became the first U.S president to visit Moscow.
In 1987, a tornado flattened Saragosa, Texas, population 185, killing 29 residents and injuring 121.
In 1990, after 150 apart, South Yemen and North Yemen united, forming the new Yemeni Arab Republic.
In 1992, Johnny Carson ended his nearly 30-year career as host of The Tonight Show.
In 2002, authorities in Birmingham, Ala., convicted a fourth suspect in a 1963 church bombing that killed four black girls. Bobby Frank Cherry, 71, a former Ku Klux Klansman, was sentenced to life in prison.
In 2003, Annika Sorenstam became the first woman in 59 years to compete in a PGA event but her 5-over-par 145 through two rounds of the Bank of America Colonial tournament failed to make the cut.
In 2011, the deadliest tornado to strike the United States in half a century roared into the heart of Joplin, Mo., with winds of 200 mph. It killed nearly 160 people, injured about 1,100 others and destroyed nearly one-third of the city. Damage was estimated in the $3 billion range.
In 2014, Thailand's military announced it had taken control of the country and suspended the Constitution. The coup followed months of political turmoil.
In 2015, voters in Ireland overwhelmingly approved a measure to allow civil same-sex marriage, making it the first nation in the world to legalize gay unions through a popular vote.
In 2017, a suicide bomber killed 22 people attending an Ariana Grande concert in Manchester, England. More than 500 people sustained injuries.
In 2018, Philip Wilson, the archbishop of Adelaide, Australia, was found guilty of concealing abuse by another priest. A judge overturned the conviction in December.
