21st century teaching, imagined in 1900. t.co/VdC46UKzfm t.co/mK3XaoVwLT

21st century teaching, imagined in 1900. t.co/VdC46UKzfm t.co/mK3XaoVwLT

Old Pics Archive @oldpicsarchive · Telephone Tower in Stockholm, c.1890s. The tower connected about 5000 telephone lines from 1897-1913

Old Pics Archive @oldpicsarchive · Telephone Tower in Stockholm, c.1890s. The tower connected about 5000 telephone lines from 1897-1913

List of Rules for Nurses in 1887- my favorite: 8. Any nurse who smokes, uses liquor in any form, gets her hair done at a beauty shop or frequents dance halls will give the director of nurses good reason to suspect her worth, intentions and integrity

List of Rules for Nurses in 1887- my favorite: 8. Any nurse who smokes, uses liquor in any form, gets her hair done at a beauty shop or frequents dance halls will give the director of nurses good reason to suspect her worth, intentions and integrity

On October 29, 1948, a killer industrial smog claims elderly victims in Donora, Pennsylvania. Over a five-day period, the smog killed about 20 people and made thousands more seriously ill.

On October 29, 1948, a killer industrial smog claims elderly victims in Donora, Pennsylvania. Over a five-day period, the smog killed about 20 people and made thousands more seriously ill.

Abraham Lincoln, U.S. President. Seated portrait, holding glasses and newspaper, Aug. 9, 1863

Abraham Lincoln, U.S. President. Seated portrait, holding glasses and newspaper, Aug. 9, 1863

Old Pics Archive ‏@oldpicsarchive An Imperial Airways Calcutta Flying boat on the Thames,1928

Old Pics Archive ‏@oldpicsarchive An Imperial Airways Calcutta Flying boat on the Thames,1928

♥♥♥The US Capitol, Washington, DC as it appeared in 1861. Today (12 April) is the day in 1861 when Confederate artillery opened fire on Fort Sumter in Charleston Harbor, ushing 4 years of civil war in America. By 1865, approx. 625,000 Amercians had perished as a result of the war. This was the deadliest war in American history.

♥♥♥The US Capitol, Washington, DC as it appeared in 1861. Today (12 April) is the day in 1861 when Confederate artillery opened fire on Fort Sumter in Charleston Harbor, ushing 4 years of civil war in America. By 1865, approx. 625,000 Amercians had perished as a result of the war. This was the deadliest war in American history.

History In Pictures @HistoryInPics · Niagara falls without water, 1969

History In Pictures @HistoryInPics · Niagara falls without water, 1969

History In Pictures @HistoryInPics · Londoners flock to a mobile screen showing the latest Mickey Mouse film, 1931

History In Pictures @HistoryInPics · Londoners flock to a mobile screen showing the latest Mickey Mouse film, 1931

Yahoo News Norman Lear, the mastermind behind "All in the Family," "The Jeffersons," and "Maude," talks about the TV scenes that forever changed America. WATCH: yhoo.it/1qJ5Kcj

Yahoo News Norman Lear, the mastermind behind "All in the Family," "The Jeffersons," and "Maude," talks about the TV scenes that forever changed America. WATCH: yhoo.it/1qJ5Kcj

History In Pictures @HistoryInPics · Elvis Presley and Sophia Loren, 1958

History In Pictures @HistoryInPics · Elvis Presley and Sophia Loren, 1958

Thomas Edison with his second phonograph by Matthew Brady, 1878

Thomas Edison with his second phonograph by Matthew Brady, 1878

Captain Daniel Tinker - the last of the Whaling Captains

Captain Daniel Tinker - the last of the Whaling Captains

Hitler conducts a meeting of the Nazi leadership at Schellingstraße 50 in 1928.

Hitler conducts a meeting of the Nazi leadership at Schellingstraße 50 in 1928.

KNIGHTS TEMPLAR -- Crusader Coins 11th - 12th century. Found in Templar graves in various locations. Hetoum II reigned three times. After a few difficult years of losses to the Mamluks, he ended his first reign by abdicating in favor of his brother Thoros III and entering a monastery.

KNIGHTS TEMPLAR -- Crusader Coins 11th - 12th century. Found in Templar graves in various locations. Hetoum II reigned three times. After a few difficult years of losses to the Mamluks, he ended his first reign by abdicating in favor of his brother Thoros III and entering a monastery.