On Aug. 6, 1945, an atomic bomb was exploded on Hiroshima with an estimated equivalent explosive force of 12,500 tons of TNT, followed three days later by a second, more powerful, bomb on Nagasaki.
Does this next sentence follow, given the preceding text?
In 1945, an atomic bomb was dropped on Hiroshima.

Choices: 1). yes. 2). no.
1).