nor did i, its a small world.

Arabic: marhaban (MAR-ha-bahn)
Fiji: Bula (MBoolaa)
Mandarin Chinese: Ni Hau (Knee How)
Portuguese: Ola, Como vai (I believe "Ola" is "hi" and "Como vai" is "How's it going?")
Finnish: Paiva (pie-vaa) or 'Hei!' pronounced 'Hey!'
Russian: (stras-vwie)
Hebrew: Shalom
Japanese: Ya-ho (this is not actually hello but what people yell in Japan when they want to hear an echo.)
Hawaiian: Aloha
Texan: Howdy
Spanish: Hola
French: Bon jour
Italian: Buon Giorno
German: Guten Tag
Australia: G'Day!
Tagalog (Phillippines): Kumusta