Nena
It's 99 Luftballons by NENA
Do you mean 99 Red Balloons? If so, sadly it was never a Eurovision entry. Great song though!
Modern Marvels - 1994 Balloons 5-34 was released on: USA: 16 December 1999
"Believe" by Cher was the number one hit single of 1999.
Hot air balloon pilots use propane to heat their balloons. It's inexpensive, very easy to obtain, and works.
German Water was created on 1999-05-04.
A hit single of hers from 1999 is "That's the Way It Is."
From year 1900 until they adopted the Euro in 1999, Deutsche Mark (German mark) was the German currency.
Single National Park was created in 1999.
Grand Slam Single happened in 1999.
single and double
mein Geburtstag ist am 25, September 1999