When did Puerto Rico become a commonwealth?

When did Puerto Rico become a commonwealth?

Puerto Rico has been a U.S. possession since 1898. It became a commonwealth in 1952. Puerto Rican citizens became U.S. citizens in 1917.

When was the United States capital moved from Philadelphia to Washington DC?

This mansion at 6th & Market Streets served as the presidential mansion of George Washington and John Adams, 1790–1800. Philadelphia served as the temporary capital of the United States, 1790–1800, while the Federal City was under construction in the District of Columbia.

How strong is a strand of human hair?

A single strand could hold 100g (3oz) in weight: the combined hair of a whole head could support 12 tons or the weight of two elephants. Weight for weight, it is not as strong as steel: more like aluminium, or reinforced glass fibres or Kevlar, which is used to make bulletproof vests.

What is the only mammal that cant jump?

Elephants are the only land mammals that cannot jump. Elephants are the only land mammals that cannot jump. Unlike all other mammals on earth, Elephants do not have kneecaps. Therefore, they are unable to bend their legs and acquire the needed propulsion to leave the ground.

Who chopped down the cherry tree and why?

Myth: George Washington once chopped down his father’s favorite cherry tree. The story goes that a young George was about six years old and had been given a hatchet, which he enthusiastically used to chop at just about anything in sight.

Can you predict an earthquake?

No, and it is unlikely they will ever be able to predict them. Scientists have tried many different ways of predicting earthquakes, but none have been successful. On any particular fault, scientists know there will be another earthquake sometime in the future, but they have no way of telling when it will happen.

How far is Pluto from the earth?

1 AU measures the distance of the Earth to the Sun. At its closest point, Pluto is only 29 astronomical units from the Sun (4.4 billion km or 2.75 billion miles). And at its most distant, it can be 49 AU (7.29 billion km, or 4.53 billion miles) from the Sun.

Are Caesar salads named after the Caesars of the Roman Empire?

Caesar salad has nothing to do with any of the Caesars. It was first concocted in a bar in Tijuana, Mexico, in the 1920’s.