Short answers, pulled from the story.
Crew Dragon Demo-2 launched on the 30th of May 2020, lifting off from Launch Complex 39A at 19:22:45 UTC aboard a Falcon 9 rocket. An earlier attempt on the 27th of May 2020 was scrubbed due to weather from Tropical Storm Bertha.
NASA astronauts Doug Hurley and Bob Behnken flew Crew Dragon Demo-2, marking the third spaceflight for each after earlier Space Shuttle missions. Kjell Lindgren served as their sole backup crew member.
The Crew Dragon Demo-2 capsule was named Endeavour, capsule number 206, revealed by the crew shortly after launch. It was the third US spacecraft to carry that name. An earlier Endeavour was a Space Shuttle built in 1991, and before that came an Apollo command module flown on Apollo 15.
Crew Dragon Demo-2 remained docked to the International Space Station for 62 days, 9 hours, and 8 minutes. It docked on the 31st of May 2020 and undocked at 23:35 UTC on the 1st of August 2020.
Crew Dragon Demo-2 splashed down off the coast of Pensacola, Florida, at 18:48:06 UTC on the 2nd of August 2020. It was the first crewed splashdown by NASA astronauts in 45 years and the first ever in the Gulf of Mexico.
The Endeavour capsule was refurbished and reflown on the Crew-2 mission, which launched on the 23rd of April 2021. Bob Behnken did not fly that mission; his seat was taken by his wife, astronaut K. Megan McArthur.