15 mars

More than sixty senators were in the plot. Caesar fell at the foot of Pompey’s statue with 23 wounds, of which his doctor judged only one fatal. Suetonius says he died silent, though some reported him saying to Brutus “καὶ σύ, τέκνον;” (“You too, child?”). “Et tu, Brute?” is Shakespeare’s.

Caesar was stabbed at a meeting of the Senate in the Curia of Pompey. His will, read days later, did not mention Caesarion and adopted his great-nephew Octavian. Cleopatra left Rome within a month; Cicero noted her flight in a letter of mid-April.

The sultan Malik-Shah had Khayyam and other astronomers in Isfahan reform the Persian solar calendar, so that the new year falls at the spring equinox. Its era starts on 15 March 1079. Iran’s calendar today descends from it, and the app speaks it as the Solar Hijri calendar.

Three ships and about 90 men from Palos. Columbus thought Asia lay some 4,000 km west of the Canaries; the real distance is about 19,000 km, and he never accepted that he had found anything else.

The Treasurer of the Chamber paid “William Kempe William Shakespeare & Richarde Burbage” for two plays before the queen at Greenwich that Christmas, on St Stephen’s Day and Innocents’ Day. It is the first record of Shakespeare as a member of a company, and it puts the company at court on 28…

For James’s delayed royal entry through the City, the Great Wardrobe issued four and a half yards of red cloth to each of nine King’s Men, Shakespeare first on the list. As Grooms of the Chamber they wore the king’s livery.

The International Exhibition of Modern Art put about 1,300 works in a National Guard armory and showed Americans Matisse, Picasso and Kandinsky. The butt of the jokes was Duchamp’s Nude Descending a Staircase, No. 2, “an explosion in a shingle factory” to one critic. The show moved on to Chicago…

He led a strike for higher wages against mill owners who included his own patron, Ambalal Sarabhai; Ambalal’s sister Anasuya organised the workers. When the strikers began to waver he stopped eating until they held out. The owners settled after three days.

And we shall overcome. — Lyndon B. Johnson Before a joint session of Congress, the president sent them his voting rights bill and closed with the movement’s own anthem. In Selma, King was seen to weep as he watched.

A B-52 and a tanker collided over Spain in January, and one bomb fell into the sea. Alvin found it on a steep slope, lost it again when it slipped during a recovery attempt, and relocated it on 2 April; the robot CURV lifted it out on 7 April.

Eight central banks had been selling gold together to hold its price at 35 dollars. After a rush of buying, the London gold market was closed for two weeks, and the price was split in two: 35 dollars between central banks, a free price for everyone else.

Go has too many possible moves to search by brute force, and experts expected computers to need another decade. DeepMind's program learned from human games, then from playing itself, and won the match 4–1. Its move 37 in game two looked like a mistake to every professional watching, until it won…

Five games against one of the best Go players of the era. Go has too many moves to search by brute force, and experts had expected a win like this to be a decade away. DeepMind’s program, trained on human games and then on games against itself, won 4–1.