Tangerine
Sinkholes: https://floridadep.gov/fgs/sinkholes
Soccer Rules: http://www.syossetsoccer.org/home/683808.html
Crusader
The Crusades: https://www.britannica.com/event/Crusades
Shopping Malls: http://www.mallhistory.com/
Story Time
Mother Goose: http://www-personal.umich.edu/~pfa/dreamhouse/nursery/rhymes/
Carnegie Library: http://en.wikipedia.org/wiki/Carnegie_library
London Calling
The York Minster: http://www.yorkminster.org
Rembrandt’s Abraham and Isaac: http://www.ibiblio.org/wm/paint/auth/rembrandt/1630/abraham.jpg
Taken
Kreyol-English Dictionary: http://www.haitisurf.com/dictionary.shtml
Victorian Parlor Games: http://www.victoriaspast.com/ParlorGames/parlor_games.htm
Memory Lane
Levittown: http://ushistoryscene.com/article/levittown/
John F. Kennedy Assassination: http://en.wikipedia.org/wiki/John_F._Kennedy_assassination
A Plague Year
United Flight 93 National Memorial: http://www.nps.gov/flni/index.htm
Eyam, The Plague Village: http://www.beautifulbritain.co.uk/htm/outandabout/eyam.htm
Summer of Smoke
The Assassination of Dr. Martin Luther King, Jr.: crdl.usg.edu/events/mlk_assassination/?Welcome
The Vietnam Veterans Memorial Wall: http://thewall-usa.com/
Candlemas Eve
The History of Pottery: http://ceramics.org/learn-about-ceramics/history-of-ceramics
The History of Baseball: http://www.thepeoplehistory.com/baseballhistory.html
Centennial
World War I: https://worldwar1centennial.org
Shot at Dawn Memorial: https://www.atlasobscura.com/places/shot-at-dawn-memorial-nationalmemorial-arboretum
Fireside Chats
Fireside Chats: https://www.whitehousehistory.org/the-fireside-chats-roosevelts-radio-talks
Hurtgen Forest: http://www.pbs.org/thewar/detail_5224.htm