No. While 'Reign' is based on a true story, it takes many liberties for the sake of drama. It's a fictionalized account of Mary, Queen of Scots' reign, so not all events are portrayed exactly as they happened in history.
Supergirl is a popular character in fanfiction. Writers love to explore her powers, her dual identity, and her relationships. Her superhuman abilities make for exciting action scenes, and her kind heart makes her a beloved hero in many stories.
If Barry kidnapped Supergirl in fanfiction, it could be a really interesting plot twist. Maybe Barry has been affected by some sort of red kryptonite - like substance that makes him act out of character. This would lead to a conflict between the Flash and Supergirl's friends and allies. They would be confused as to why Barry would do such a thing.
One inspiring Supergirl story is her fight against powerful villains to protect Metropolis. She uses her super strength, flight, and heat vision to keep the city safe. For example, when a group of alien invaders threatened the city, Supergirl was the first to stand up and fight them off, showing great courage.
Northern Qi's past emperors reigned as follows:
Gao Yang: 550 - 557 AD, reigned for 7 years.
Gao Cheng: 557 - 560 AD, reigned for three years.
Gao Yin: 559 to 560 AD, reigned for one year.
Gao Yan: 560 - 561 AD, reigned for one year.
Gao Zhan: 561 - 565 AD, reigned for 4 years.
Gao Wei: 565 to 577 AD, 12 years in office.
Gao Heng, 577 AD, not long after his reign.