Rugby Union | Five/Six Nations | Youngest appearance as a captain

Player	Pos	Age	Team	Opposition	Ground	Date	Match
RA Lloyd	FH	20y 150d	Ireland	v France	Parc des Princes	1 Jan 1912	Details
GO Edwards	SH	20y 206d	Wales	v Scotland	Cardiff	3 Feb 1968	Details
KC Fyfe	W	20y 294d	Scotland	v Wales	Cardiff	2 Feb 1935	Details
G Cunningham	HB	20y 362d	Scotland	v England	Richmond	20 Mar 1909	Details
WG Stewart-Morgan	C	21y 38d	Wales	v Scotland	Swansea	2 Feb 1929	Details
J Daniell	Fwd	21y 53d	England	v Ireland	Richmond	3 Feb 1900	Details
KD Mullen	H	21y 80d	Ireland	v England	Twickenham	14 Feb 1948	Details
LAN Slocock	Fwd	21y 87d	England	v Scotland	Inverleith	21 Mar 1908	Details
GPS MacPherson	C	21y 100d	Scotland	v France	Inverleith	24 Jan 1925	Details
JMB Scott	F	21y 123d	Scotland	v Wales	Inverleith	6 Feb 1909	Details
S Lee	3Q	21y 131d	Ireland	v England	Lansdowne Road	4 Feb 1893	Details
RG Warren	HB	21y 154d	Ireland	v England	Lansdowne Road	5 Feb 1887	Details
AR Foster	C	21y 233d	Ireland	v England	Twickenham	10 Feb 1912	Details
RW Shaw	FH	21y 318d	Scotland	v Ireland	Lansdowne Road	23 Feb 1935	Details
MC Morrison	Fwd	21y 336d	Scotland	v Wales	Inverleith	4 Mar 1899	Details
GH Waddell	FH	21y 343d	Scotland	v England	Twickenham	21 Mar 1959	Details
R Crabos	C	21y 350d	France	v Scotland	Inverleith	22 Jan 1921	Details
PD Howard	F	22y 56d	England	v Ireland	Twickenham	14 Feb 1931	Details
BR Turnbull	C	22y 91d	Wales	v England	Twickenham	15 Jan 1927	Details
JR Evans	H	22y 130d	Wales	v England	Cardiff	20 Jan 1934	Details
B Oughtred	SH	22y 141d	England	v Wales	Swansea	10 Jan 1903	Details
DM Bain	P	22y 150d	Scotland	v Wales	Cardiff	7 Feb 1914	Details
S Wilson	FB	22y 149d	Scotland	v England	Twickenham	20 Mar 1965	Details
YLP du Manoir	FH	22y 164d	France	v Scotland	Murrayfield	22 Jan 1927	Details
R Saunders	SH	22y 181d	Ireland	v France	Lansdowne Road	2 Feb 1991	Details
R Harding	W	22y 199d	Wales	v France	Colombes	27 Mar 1924	Details
HM Bowcott	C	22y 263d	Wales	v England	Cardiff	18 Jan 1930	Details
JNG Davidson	FH	22y 346d	Scotland	v France	Murrayfield	9 Jan 1954	Details
H Alexander	Fwd	23y 5d	England	v Wales	Blackheath	11 Jan 1902	Details
AF Hill	Fwd	23y 20d	Wales	v Scotland	Edinburgh	2 Feb 1889	Details
JGG Birkett	C	23y 22d	England	v Wales	Bristol	18 Jan 1908	Details
RCS Dick	C	23y ?d	Scotland	v Wales	Murrayfield	1 Feb 1936	Details
C Reid	Fwd	23y 36d	Scotland	v Ireland	Belfast	19 Feb 1887	Details
AR Smith	C	23y 40d	Scotland	v Ireland	Belfast	19 Feb 1898	Details
M Barrau	SH	23y 54d	France	v Ireland	Parc des Princes	19 Jan 1974	Details
WDC Carling	C	23y 54d	England	v Scotland	Twickenham	4 Feb 1989	Details
EG Forrest	Fwd	23y 121d	Ireland	v England	Blackheath	3 Feb 1894	Details
SK Warburton	F	23y 123d	Wales	v Ireland	Lansdowne Road	5 Feb 2012	Details
VH Cartwright	Fwd	23y 125d	England	v Wales	Richmond	13 Jan 1906	Details
P Cranmer	C	23y 127d	England	v Wales	Cardiff	15 Jan 1938	Details
P Munro	HB	23y 137d	Scotland	v Ireland	Inverleith	23 Feb 1907	Details
CE Allen	Fwd	23y 150d	Ireland	v Wales	Belfast	12 Mar 1904	Details
NM Hall	FH	23y 166d	England	v Wales	Cardiff	15 Jan 1949	Details
AW Jones	L	23y 176d	Wales	v Italy	Rome	14 Mar 2009	Details
JS Spencer	C	23y 187d	England	v Ireland	Lansdowne Road	13 Feb 1971	Details
FHR Alderson	3Q	23y 190d	England	v Wales	Newport	3 Jan 1891	Details
F Mitchell	Fwd	23y 214d	England	v Scotland	Glasgow	14 Mar 1896	Details
A Cameron	C	23y 249d	Scotland	v Ireland	Murrayfield	28 Feb 1953	Details
RH Thompson	L	23y 262d	Ireland	v France	Lansdowne Road	22 Jan 1955	Details
D Drysdale	FB	23y 286d	Scotland	v Ireland	Lansdowne Road	28 Feb 1925	Details

Only the player's first appearance listed

Records include the following current or recent matches:

France v Scotland at Stade de France, Six Nations, Mar 16, 2013 [23-16 FT]

Wales v England at Millennium Stadium, Six Nations, Mar 16, 2013 [30-3 FT]

Italy v Ireland at Rome, Six Nations, Mar 16, 2013 [22-15 FT]