
Ancient Rome: From city to empire in 600 years
Rome built an empire that stretched from northern England to the Middle East over a period of six centuries.
Reference The Great Library of Alexandria in Egypt was the most important repository of knowledge in the ancient world.
Reference The Japanese attack on Pearl Harbor in the Territory of Hawaii devastated US naval power in the Pacific and precipitated America’s entry into World War II.
Reference On August 6 and 9, 1945, two atomic bombs were dropped over the Japanese cities of Hiroshima and Nagasaki.
Reference George Washington was a key figure in the founding of the United States of America, helping to secure independence from Britain and was its first president.
REFERENCE Antarctic expeditions add to the allure of Antarctica, with tales of achievement, tragedy and against-all-odds survival.
REFERENCE Here's a look at the most powerful nuclear weapons ever detonated — specifically explosions that exceeded 10 megatons.
Reference Some of the biggest protests in history have toppled governments and won civil rights campaigns.
Reference The Endurance Expedition was a failed mission to cross the Antarctic on foot, leaving 28 explorers stranded.
Reference Over 100 years ago, and after decades of protest, women's suffrage was granted in the U.S.