Misc: 80's - What was the title of Bryan Adams' only No. 1 song of the 1980s?

Questions

In 1930 ---------- Pinter, playwright, born. ?

In 1930 Harold---------- , playwright, born. ?

In 1933 First synthetic ---------- for home use marketed. ?

In 1935 ---------- Gershwin's "Porgy and Bess" opened in New York City. ?

In 1935 George ---------- 's "Porgy and Bess" opened in New York City. ?