LeBron James was the youngest in a game with 30+ points in 2005-06 versus the New Orleans/Oklahoma City Hornets on November 2, 2005. He was 20 years and 307 days old.

lebron james was youngest player ever to score 30 points in a game 2006
Interpreted as:
LeBron James was youngest player ever to score 30 or more points in a regular-season game 2006
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11/2/2005James11/5/2005James11/9/2005James11/15/2005James11/19/2005James11/22/2005James11/26/2005James12/2/2005James12/3/2005James12/6/2005James12/9/2005James12/10/2005James12/13/2005James12/17/2005James12/22/2005James12/26/2005James12/27/2005James12/31/2005James1/4/2006James1/5/2006James1/7/2006James1/10/2006James20-30720-31020-31420-32020-32420-32720-33120-33720-33820-34120-34420-34520-34820-35220-35720-36120-36221-00121-00521-00621-00821-011
NAMEDATETMOPPAGEPTSMINREBASTSTLBLKTOVFGMFGAFG%3PM3PA3P%FTMFTAFT%PF+/-
LeBron JamesLeBron James11/2/2005CLECLEvsNOKNOK20-30731333420391656.36785.77887.53+22
LeBron JamesLeBron James11/5/2005CLECLE@MEMMEM20-310364126202142948.34944.44580.02-3
LeBron JamesLeBron James11/9/2005CLECLEvsSEASEA20-314313651014101855.6020.01111100.01+25
LeBron JamesLeBron James11/15/2005CLECLEvsWASWAS20-3203742104023152365.22366.755100.01+17
LeBron JamesLeBron James11/19/2005CLECLE@PHIPHI20-32436471110115142458.3020.081080.01+8
LeBron JamesLeBron James11/22/2005CLECLEvsBOSBOS20-327364154221132065.01333.391181.84+14
LeBron JamesLeBron James11/26/2005CLECLEvsMINMIN20-331384452402132944.861154.566100.02-3
LeBron JamesLeBron James12/2/2005CLECLE@SEASEA20-337344538131142751.9050.06875.01-2
LeBron JamesLeBron James12/3/2005CLECLE@LACLAC20-33830455611182532.03560.0111478.63-11
LeBron JamesLeBron James12/6/2005CLECLE@SACSAC20-341304466235102343.51520.091275.02+3
LeBron JamesLeBron James12/9/2005CLECLEvsNJNNJN20-344324563017112642.3040.0101566.73-4
LeBron JamesLeBron James12/10/2005CLECLE@MILMIL20-345524377203192965.55955.691090.05-3
LeBron JamesLeBron James12/13/2005CLECLEvsATLATL20-3483945106206132356.53650.0101662.55-4
LeBron JamesLeBron James12/17/2005CLECLEvsMIAMIA20-3524146510104121963.22450.0151693.83+9
LeBron JamesLeBron James12/22/2005CLECLE@CHICHI20-357374456402122548.04666.791369.22+15
LeBron JamesLeBron James12/26/2005CLECLEvsCHICHI20-361324586222122548.0050.081266.70+14
LeBron JamesLeBron James12/27/2005CLECLE@NJNNJN20-3623140108204122157.11520.06966.73-2
LeBron JamesLeBron James12/31/2005CLECLEvsDETDET21-001304577415112250.02540.06785.72+5
LeBron JamesLeBron James1/4/2006CLECLE@MILMIL21-00532461111514122941.42825.06785.71+8
LeBron JamesLeBron James1/5/2006CLECLEvsHOUHOU21-006324495103131968.43742.93650.04-10
LeBron JamesLeBron James1/7/2006CLECLEvsMILMIL21-008354576010142263.63742.94944.41+4
LeBron JamesLeBron James1/10/2006CLECLEvsNYKNYK21-011364677011143145.2070.081172.70-2
LeBron JamesLeBron James1/14/2006CLECLE@PHXPHX21-015464478101182864.35862.555100.01-5
LeBron JamesLeBron James1/21/2006CLECLE@UTAUTA21-022514358203193554.34850.091181.84+19
LeBron JamesLeBron James1/25/2006CLECLE@ATLATL21-026384696315112250.01520.0152075.02+10