Today is Thursday, June 30, the 182nd day of 2016. There are 184 days left in the year.

Today’s birthdays: Actress Nancy Dussault is 80. Actor Leonard Whiting is 66. Jazz musician Stanley Clarke is 65. Actor David Garrison is 64. Actor David Alan Grier is 60. Boxer Mike Tyson is 50. Olympic gold medal swimmer Michael Phelps is 31.

In 1859, French acrobat Charles Blondin walked back and forth on a tightrope above the gorge of Niagara Falls as thousands of spectators watched.

In 1865, eight people, including Mary Surratt and Dr. Samuel Mudd, were convicted of conspiring with John Wilkes Booth, the assassin of President Lincoln. (Four defendants, including Surratt, were executed; Mudd was sentenced to life in prison, but was pardoned in 1869.)

In 1908, an asteroid exploded above Siberia, leaving 800 square miles of scorched or blown-down trees.

In 1912, Canada’s deadliest tornado on record occurred as a cyclone struck Regina, Saskatchewan, killing 28 people.

In 1934, the Sumner Tunnel, connecting Boston’s North End with East Boston, opened.

In 1936, the Civil War novel ‘‘Gone with the Wind’’ by Margaret Mitchell was first published.

In 1958, the Senate passed the Alaska statehood bill.

In 1963, Pope Paul VI was crowned the 262nd head of the Roman Catholic Church.

In 1966, the National Organization for Women was founded.

Last year, an Indonesian air force transport plane crashed, killing at least 121 people on board and 22 on the ground.