Events on Apr 01

1990
Ultimate Warrior becomes WWF Champion
Ultimate Warrior beats Hulk Hogan as Wrestling Champion in the WWF Wrestlemania VI.

1960
Launching of 1st Weather Satellite
The first weather satellite, TIROS-1, is launched.

1929
Introduction of the Yo-yo
Louie Marx introduces the Yo-Yo.

1925
First Daily in Tabloid Format
The Tribune, the first Philippine daily to use tabloid format, is founded by Alejandro Roces Sr.

1901
Aguinaldo Pledges Allegiance to the United States
Gen. Emilio Aguinaldo takes the oath of allegiance to the American government.