The term "ADC" can refer to multiple organizations and technologies, each with its own formation date:
- Art Directors Club (ADC): Founded in 1920 in New York City, this organization supports art directors in advertising and design. citeturn0search13
- Analog-to-Digital Converter (ADC): The development of ADCs has evolved over time. In 2010, Dewesoft introduced DualCoreADC® technology, enhancing measurement capabilities. citeturn0search3
- Antibody-Drug Conjugates (ADCs): The first ADC, Mylotarg® (gemtuzumab ozogamicin), was approved by the FDA in 2000. citeturn0search9
- ADC Telecommunications: Established in 1935 in Minneapolis, Minnesota, ADC Telecommunications was a company specializing in communications equipment. citeturn0search2
- Advanced Digital Corporation (ADC): Founded in 1980 in Garden Grove, California, this company produced computer hardware and systems until its bankruptcy in 1990. citeturn0search10
If you were referring to a specific "ADC," please provide more context so I can offer detailed information.