1. Origin Theories of the Indo-European Language Famiies
1.1. The Kurgan Nomadic Warrior Theory
1.1.1. Kurgan homeland was directly north of then Caspian Sea. Theory states that the Kurgans may have infiltrates Eastern Europe around 4000 B.C. and into Central Europe and Southwest Asia around 2500 B.C. This would have happened at a faster rate in a violent manner.
1.2. The Refrew Sedentary Farmer Theory
1.2.1. Indo-European may have originated in present-day Turkey 2,000 years before the Kurgans. According to this theory, the language diffused along with agricultural innovations west into Europe and east into Asia. This would have occurred in a more peaceful manner and at a much slower rate.
2. Largest Languages in the World
2.1. Mandarin
2.2. English
2.3. Spanish
2.4. Hindi
2.5. Arabic
3. Origin of English
3.1. Celtic Tribes in 2000 B.C.
3.2. The Germanic Invaders 450 A.D.
3.2.1. Germanic tribes from Denmark and Northern Germany (Anglos, Saxons, and Justes) pushed the Celts to remote areas and contributed around one-fourth of the words in modern English.
4. Largest Language Families
4.1. Ino European
4.1.1. Dominant language family in Europe, South Asia, North America and Latin America.
4.2. Sino-Tibetan
4.2.1. Comprises of languages spoken in China
4.3. Afro-Asiatic
4.3.1. Major language is Arabic
4.4. Altaic
4.4.1. Most speakers are now known as Turkish
4.5. Niger-Ciongo
4.5.1. Swahili- Spoken by 30 million Africans
5. Language Superfamilies (Possible Prehistoric)
5.1. Sino-Caucasian
5.2. Austic
5.2.1. Top Priorities
5.2.2. Medium Priorities
5.2.3. Low Priorities
5.3. Nostralic
5.3.1. Top Priorities
5.3.2. Medium Priorities
5.3.3. Low Priorities
6. Largest Language Branches
6.1. Romance Branch
6.1.1. Materials
6.1.2. Personnel
6.1.3. Services
6.1.4. Duration