Misc: What 1958 song was the coaster's only #1 hit?

Questions

U.S. Viking 2 goes into Martian orbit after an 11-month flight from Earth.?

Lynne Cox swims 4.3 km from US to USSR in 4?

For one second this afternoon, the time is 12:34:56, 7-8-90.?

Cornerstone is laid for Tycho Brahe's Uraniborg observatory.?

Venetian senate examines Galileo Galilei's telescope.?