useless trivia: What Word Means: Golden?

Questions

In 1875 The game of "snooker" -- a variation of pool -- is invented by Sir ---------- , while on duty in India. ?

In 1875 The game of "snooker" -- a variation of pool -- is invented by Sir Neville Chamberlain, while on duty in ---------- ?

In 1895 Treaty of ---------- signed, ends first Sino-Japanese War (1894-95). ?

In 1961 U.S. backed ---------- invasion in Cuba. Ended in failure. ?

In 1970 Apollo 13 limps back safely, ---------- -built oxygen tank no help. ?