1928 - James Shelton born.
1956 - Sputnik incident. Maur Phaeton born.
1968 - Revolution in Bryngali. 1972 - Jim Shelton captured in spy plane crash.
1975 - Samantha Davis born. Lucas Heimden born.
1976 - Ariel Kaimana born. Frank Moby born.
1977 - Jim Shelton returns to U.S. in SALT I-connected prisoner exchange.
1984 - Cecilia Johnson born. Tristan Russell born.
1985-1987 Samantha Davis' mutant abilities emerge gradually.
1985 - Maur Phaeton's sister is killed in a mutant-related incident.
1987 - Jim Shelton violates supervision agreement and is incarcerated. Department of Defense program to create mutant commando covert operations unit cancelled.
1997 - Cecilia Johnson develops mental abilities.
2000 - After a car accident, Cecilia Johnson develops healing powers. Attempts murder of father and disappears three months later.
2001 - Kaimana and Heimden are in Phaeton Incident, join Supremas. First proposal of TENEBROUS submitted to Agency policymakers.
2002 - In conflict with mutant vigilantes in Los Angeles, Cecilia Johnson is arrested. Later that year, Kaimana and Heimden are arrested in Justice Force raid on Supremas operation. TENEBROUS is approved through executive order and funded from black budget appropriations.
2003 - Tristan Russell arrested. TENEBROUS is approved through Directorate of Operations. TENEBROUS personnel are selected and brought together for their first meeting.