Misc: Whats radar spelled backwards?

Questions

The first baby born on the --------- during its voyage to the New World was named - Oceanus Hopkins. The second child born after the ship set anchor was named Peregrine White.?

The first known encyclopedias date back to ancient -------.?

It was King Edward II of England (1324) who decreed the ----- to be equal to three barleycorns end to end.?

It was reported in 1990 that former President ------------------'s autobiography, A Life, was a financial catastrophe. Publisher Simon and Schuster had paid the former actor-U.S. leader $7 million in advance for his autobiography and a collection of his speeches. Of the 500,000 copies produced, nearly 300,000 were returned to the publisher, forcing them to revise their advance-payment policy.?

Jahangir, a 17th-century Indian Mughal ruler, had 5,000 women in his harem and 1,000 ------------. He also owned 12,000 elephants.?