Short answers, pulled from the story.
The first printed edition of the 13th-century Gesta Danorum appeared in 1514. This text by Saxo Grammaticus arrived just as book printing became practical and trade began to spread quickly across Europe.
Etymologists frequently trace the word Viking to writers referring to those who set about to raid and pillage. The word Viking was introduced into Modern English only during the 18th century and derives from the Old Norse víkingr signifying a sea-rover or pirate.
In 1867, the first Viking ship to be unearthed appeared as the Tune ship excavated in Østfold. This discovery provided new knowledge about the Vikings and their culture while leading to higher consciousness about the Viking past in Norway.
Richard Wagner composed musical pieces said to have strong influences of Nordic mythology that further enhanced the Romanticism of the Viking era during that time. His operas and Jacob Grimm's scholarship shaped Germanic intellectual frameworks for the revival movement.
Rasmus B. Anderson served as founding head of the Department of Scandinavian Studies at University of Wisconsin, Madison and brought American popular attention to the idea that Viking explorers discovered the New World. This effort established Leif Erikson Day as an observance within the United States.