What happened April 1999 AD

Jack Ma launches Alibaba in China, which would later grow to dominate the Chinese online retail market, and provide an obstacle to Amazon's attempts to expand in China.

In April 1999, Allaire was succeeded by Richard Thoman, who had been brought in from IBM in 1997 as president. The first "outsider" to head Xerox, Thoman resigned in 2000.

In April 1999, about two months after being acquitted by the Senate, Clinton was cited by Federal District Judge Susan Webber Wright for civil contempt of court for his "willful failure" to obey her repeated orders to testify truthfully in the Paula Jones sexual harassment lawsuit. For this citation, Clinton was assessed a $90,000 fine, and the matter was referred to the Arkansas Supreme Court to see if disciplinary action would be appropriate.

The Columbine High School massacre was a school shooting and bombing that occurred on April 20, 1999, at Columbine High School in Columbine, Colorado, United States. The perpetrators, twelfth grade (senior) students Eric Harris and Dylan Klebold, murdered 12 students and one teacher. Ten students were killed in the school library, where the pair subsequently committed suicide. 21 additional people were injured with gunshots and gunfire was also exchanged with the police. Another three people were injured trying to escape the school.

In 1999, Jolie starred in the comedy-drama Pushing Tin, released on 23 April 1999, alongside John Cusack, Billy Bob Thornton, and Cate Blanchett.

Chávez called a public referendum, which he hoped would support his plans to form a constituent assembly of representatives from across Venezuela and from indigenous tribal groups to rewrite the Venezuelan constitution. Chávez said he had to run again; "Venezuela's socialist revolution was like an unfinished painting and he was the artist", he said, while someone else "could have another vision, start to alter the contours of the painting". The momentum of the support he received in previous elections, made the referendum on 25 April 1999 a success for Chávez; 88% of the voters supported his proposal.

The Rock's popularity continued to grow and audiences still cheered for him even though he was a heel. He then lost the title rematch against Stone Cold Steve Austin at Backlash: In Your House after he was betrayed by Shane McMahon, turning him face again and starting a feud with Triple H, The Undertaker and The Corporate Ministry.

Ballack's first senior Germany appearance, did not come until 28 April 1999, when he came on as a substitute for Dietmar Hamann in a match against Scotland.

On April 29, 1999, WWF aired the pilot episode of SmackDown!, a term derived from one of The Rock's catchphrases. In the episode, The Rock continued his feud with The Corporate Ministry. This led to a match with Triple H, at Over the Edge, which The Rock won, and a match for the WWF Championship against The Undertaker, at King of the Ring, which The Rock lost. The Rock then lost a number one contender's match to Triple H, at Fully Loaded, after interference from "Mr. Ass" Billy Gunn.