Sir George Grey was Premier of which state or country 1877-1879, having previously served it as its autocratic and influential Governor 1845-53 and 1861-1868?
A "land run" into which current state of the USA began at noon on 22 April 1889, when an estimated 50,000 people lined up to race to claim 160 acre (0.65 km2) pieces of the available 2 million acres (8,000 km²)?
Which island purchased by USA from Denmark in 1917 and why US need to purchase it? Please share the details of transaction?