According to Thomas Malory, Sir Bedivere's last knightly act is to return what to a lake?

More Questions:

What psychoanalyst smoked 20 cigars per day?

When do "blue laws" prohibit certain activities?

What annual celebration is taking place at the start of "Great Expectations"?

Who described his most famous painting as "the Camembert of time"?

What historic plaza is named for the first publisher of the "Dallas Morning News"?

Aurum was the old Latin name used in chemistry for which precious metal?

With which horror film series would you associate the character Leatherface?

'Citizens on Patrol" and "Mission to Moscow" are subtitles of sequels to what 1980’s series of movies?

What civil rights anthem is actually a rewrite of the hymn "Keep Your Hands on the Plow, Hold On"?

How many legs does the catbus have in "My Neighbour Totoro"?

Who changed Blixem's name to Blitzen in his 1844, A Visit from St. Nicholas?

In which year did Louis Reard invent the bikini?

Which Egyptian city was founded by Alexander the Great in 331 BC?

With what global issue does the 2016 Paris Agreement deal with?

How many seasons did the TV show "Bonanza" have before going off the air in 1973?