Delta and United are now offering flights to all of the European tourist countries welcoming vaccinated Americans

United Airlines and Delta Air Lines aircraft at Los Angeles International Airport.
United Airlines and Delta Air Lines aircraft at Los Angeles International Airport.

  • Delta Air Lines and United Airlines have added flights to the three mainstream European countries open to Americans: Iceland, Croatia, and Greece.
  • All three countries are welcoming US tourists with proof of vaccination, with some also allowing for just a negative COVID-19 test.
  • American Airlines hasn’t been as nimble, focusing more on South America and only launching flights to Greece and Israel for the summer.
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Europe is once again just a flight away for many Americans.

US airlines were quick to adjust their route maps when coronavirus pandemic travel patterns shifted towards domestic destinations. And with Europe gradually opening up to American tourists, airlines are making similar adjustments to accommodate the international jet set.

Delta Air Lines announced its latest international route between New York and Dubrovnik, Croatia, scheduled to start on July 2. Flights will operate four-times-weekly with departures from New York’s John F. Kennedy International Airport on Tuesdays, Thursdays, Fridays, and Saturdays, and return flights from Dubrovnik Airport on Wednesdays, Fridays, Saturdays, and Sundays.

It’s Delta’s first and only route to the Southern European country, which has seen newfound interest from Americans as vaccinated travelers, as well as those presenting a negative COVID-19 test or proof of recovery, will be able to enter the country. Croatia is situated on the Adriatic Sea and boasts countless historical towns and villages on its over 1,000 miles of coastline.

United Airlines will also serve Croatia with flights between Newark and Dubrovnik launching on July 8. The three-times-weekly flights from Newark Liberty International Airport depart on Mondays, Thursdays, and Saturdays, and return from Dubrovnik Airport on Sundays, Tuesdays, and Fridays.

Both airlines will use Boeing 767-300ER wide-body aircraft on their respective routes to Dubrovnik.

Croatia also borders Montenegro, another European country open to vaccinated Americans, according to the US Embassy in Montenegro. Dubrovnik itself is only 25 miles from the border with Montenegro and US citizens need only present proof of recent vaccination or recovery, or a negative COVID-19 test less than 72 hours old, when entering.

Delta and United have been the most eager to serve the reopening European continent, and have also launched flights to Iceland and Greece, the two other mainstream European tourist countries opening to Americans.

Iceland will be served by United this summer from Newark, starting June 3, and Chicago, starting July 1. Delta serves the Land of Fire and Ice via Reykjavik from New York and begins flights from Boston and Minneapolis on May 20 and May 27, respectively.

Greece, also welcoming vaccinated Americans or those with a negative COVID-19 test, is also served by the two airlines.

United will fly to Athens from Washington, DC starting July 1 and resume its Newark-Athens route on June 3. Delta will similarly resume its New York-Athens route on May 28 and launch a new route between Athens and Atlanta starting July 2.

American Airlines has been less nimble than its competitors on Europe’s reopening, focusing instead on the Americas. Some additions east of the Prime Meridian have been the New York-Athens route starting on June 3, Miami-Tel Aviv route starting on June 4, and New York-Tel Aviv route that launched on May 6.

While Greece is opening its doors to all vaccinated or COVID-19-negative Americans, however, Israel is being more restrictive with its opening and is only slated to welcome vaccinated group tours on May 23 but not individual tourists yet.

Read More: Qatar Airways chief strategy officer reveals how airplane diplomacy let the airline add new destinations to its route map and earned international praise during COVID-19

South America has been American’s main focus with new flights to cities in Chile, Colombia, and Brazil starting this year. American has not yet relaunched flights to Iceland or Croatia, despite serving both countries prior to the pandemic.

But American could soon shift to Europe as more countries welcome US citizens. For now, airlines can rejoice that European route launches are once again common after more than a year.

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United and Delta will offer daily flights to Iceland and Greece this summer, the first European destinations to open to vaccinated Americans

reykjavik Iceland volcano eruption
Weekend hikers visit the area where a volcano erupted in Iceland.

  • United and Delta will offer seasonal daily service to Iceland and Greece this summer.
  • Both countries are heavily dependent on tourism, and the EU is under pressure to reopen to travelers.
  • International travel was still down more than 75% in March compared with 2019, industry data show.

US tourists eager to go abroad will be able to visit three European destinations this summer, so long as they can prove they are vaccinated against COVID-19.

On Monday, United Airlines announced it would begin seasonal daily service to Iceland and Greece beginning in July.

United’s move follows Delta’s announcement last month that it would offer daily service to Iceland from three US cities (Boston Logan, Minneapolis-St. Paul, and New York’s John F. Kennedy International Airports) beginning in May, and Delta’s route map indicates flights from JFK to Athens will resume in June.

In addition, United will offer thrice-weekly routes to Croatia, reflecting an increase in search activity on its website over the past month, the company told Bloomberg. Each of the European routes are new for United and are as follows: Chicago to Reykjavik, Iceland starting June 3; Washington-Athens, Greece starting July 1; and Newark to Dubrovnik, Croatia starting July 8.

Iceland is part of the Schengen zone of visa-free travel, but is not a member of the European Union, and is therefore exempt from the general restriction on visitors from outside the EU. Iceland Air recently warned international travelers that the country could not be used as a kind of backdoor to the continent, saying, “further travel from Iceland to the rest of Europe is currently not permitted for non-Schengen residents.”

Greece meanwhile just lifted its restrictions for travelers from the US who can provide a vaccination certificate or a negative COVID test result. As an EU member, Greece’s move puts additional pressure on the bloc to reopen travel more broadly.

Both Greece and Iceland are heavily dependent on tourism dollars. Tourism constitutes roughly a tenth of Greece’s economy, and those revenues plummeted 80% as a result of the pandemic. In 2019, tourism represented 42% of Iceland’s economy. In an attempt to incentivize visitors, Iceland Air is promoting round-trip prices as low as $349 and waiving change fees to give flyers greater flexibility when traveling.

Data from an industry trade group shows international travel was still down more than 75% in March compared with 2019.

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A pit full of 6,200-year-old skeletons is now the oldest known example of ‘indiscriminate, mass killing’

mass grave croatia
Commingled skeletons in the Potočani mass burial site in Croatia.

  • Archaeologists discovered 41 skeletons buried 6,200 years ago in a giant pit in Croatia.
  • The victims, most of whom were unrelated, were executed at the same time.
  • A new study suggests the grave is the site of the oldest documented massacre ever found.
  • See more stories on Insider’s business page.

A man in a Croatian village was digging a foundation for his new garage in 2007 when he uncovered a pit full of skeletons.

New research about the mass grave suggests the bones belong to 41 people – children and adults – who were killed together and buried 6,200 years ago in the modern-day village of Potočani. The study, published in the journal PLoS One, suggests it’s the oldest documented massacre in the archaeological record.

Many of the victims, the analysis showed, had been stabbed in the head. After examining the bones and extracting DNA – a process that took years – the researchers concluded that most of the individuals in the 7-by-3-foot pit weren’t related to one another, and that they ranged in age from 2 to 50. There was almost an equal number of males and females.

“This is the oldest known case of indiscriminate, mass killing that we know of,” James Ahern, an anthropologist at the University of Wyoming who co-authored the study, said in a press release.

Many of the victims’ skulls had multiple stab wounds

Ahern and his team were invited to the burial site in 2012, which is when they started inventorying the skeletons and determining the victims’ ages, sex, and manner of death. They differentiated between men and women as well as adults and children via known, identifiable anatomical differences.

The researchers figured out that of the 41 skeletons, 21 were male and 20 were female. About half were children between the ages of 2 and 17.

Thirteen of the skeletons had injuries on the sides or backs of their heads: The skulls showed evidence of being stabbed, cut, or bludgeoned. Some skulls had up to four puncture wounds.

The bones of the other 28 victims didn’t reveal how they died, but “their deaths were almost certainly violent,” according to Ahern.

“Individuals could have been strangled, bludgeoned, cut or stabbed in soft-tissue areas or in manners that did not damage underlying bones,” he said.

mass grave croatia
The skull of a young adult female found at a mass burial site in Potočani, Croatia.

None of the victims had wounds on their faces or arms. Mario Novak, an archaeologist at the Institute for Anthropological Research in Zagreb and a co-author of the study, told National Geographic that this suggests they were immobilized and had their hands tied, since people tend to use their forearms to block incoming blows.

“They were not defending themselves,” Novak said, adding, “I would say that this was a pre-planned mass execution.”

Given the pit’s location, archaeologists at first guessed these people may have been victims of a World War II skirmish. But they were wrong: After dating the bones and some pottery fragments discovered nearby, the researchers determined all 41 victims were buried at the same time in 4,200 B.C.E.

This suggests the dead were part of the Lasinja culture, some of Europe’s earliest pastoralists and metal workers.

The murders are still a mystery

Jablanovec Croatia
Jablanovec in the city of Zaprešić, Zagreb County, Croatia.

The researchers found no clues as to who killed the people in the pit, or why.

The fact that there were nearly the same number of men and women ruled out the idea that the victims died in “a battle between two armed forces,” the study authors wrote.

DNA from 38 of the skeletons revealed that 11 were close kin, but the other 70% of the victims weren’t related. So the killers weren’t targeting a particular family either.

These findings, coupled with the wide age range of the dead, points to seemingly indiscriminate, systematic violence, according to Ahern.

The killers could have been rivals of the Lasinja people, or perhaps Lasinja themselves, Novak said.

One possible explanation for the mass killing could be some type of climatic upheaval. When the climate changes, resources like crops, livestock, and water can become scarce. If that scarcity overlaps with a population boom, it can prompt groups to try to take over others’ territories and resources, Ahern said.

Researchers studying other mass killings in the archaeological record have come to similar conclusions. Take the sacrifice of more than 260 Chimú children and 460 llamas in ancient Peru, for example: Experts think the Chimú may have sacrificed children to placate angry weather gods during a season of heavy rain and flooding.

child sacrifice peru
The remains of a Chimú child ]sacrificed approximately 800 years ago in modern-day Peru.

“Increases in population size cause groups to overextend their local resources and require expansion into other areas. Both climate change and population increase tend to cause social disruption and violent acts, such as what happened at Potočani, that become more common as groups come into conflict with each other,” Ahern said.

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